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Finding the Fourth Proportional to 898,101.60, 1,347,152.40 and 365,348.40

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Solution

The fourth proportional to 898,101.60, 1,347,152.40 and 365,348.40 is: 548,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,101.60 : 1,347,152.40 = 365,348.40 : x
  2. Step 2: Convert to fraction form
    898,101.60/1,347,152.40 = 365,348.40/x
  3. Step 3: Cross multiply
    898,101.60x = 1,347,152.40 × 365,348.40
  4. Step 4: Simplify right side
    898,101.60x = 492,179,973,896.16
  5. Step 5: Solve for x
    x = 492,179,973,896.16/898,101.60
  6. Step 6: Final answer
    x = 548,022.60

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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.