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Finding the Fourth Proportional to 910,012.70, 1,365,019.05 and 898,202.90

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Solution

The fourth proportional to 910,012.70, 1,365,019.05 and 898,202.90 is: 1,347,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,012.70 : 1,365,019.05 = 898,202.90 : x
  2. Step 2: Convert to fraction form
    910,012.70/1,365,019.05 = 898,202.90/x
  3. Step 3: Cross multiply
    910,012.70x = 1,365,019.05 × 898,202.90
  4. Step 4: Simplify right side
    910,012.70x = 1,226,064,069,265.25
  5. Step 5: Solve for x
    x = 1,226,064,069,265.25/910,012.70
  6. Step 6: Final answer
    x = 1,347,304.35

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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.