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Finding the Fourth Proportional to 898,649,417.80, 1,347,974,126.70 and 753,530,595.40

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Solution

The fourth proportional to 898,649,417.80, 1,347,974,126.70 and 753,530,595.40 is: 1,130,295,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,649,417.80 : 1,347,974,126.70 = 753,530,595.40 : x
  2. Step 2: Convert to fraction form
    898,649,417.80/1,347,974,126.70 = 753,530,595.40/x
  3. Step 3: Cross multiply
    898,649,417.80x = 1,347,974,126.70 × 753,530,595.40
  4. Step 4: Simplify right side
    898,649,417.80x = 1,015,739,746,276,046,080
  5. Step 5: Solve for x
    x = 1,015,739,746,276,046,080/898,649,417.80
  6. Step 6: Final answer
    x = 1,130,295,893.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.