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Finding the Fourth Proportional to 465,344.10, 698,016.15 and 418,104.90

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Solution

The fourth proportional to 465,344.10, 698,016.15 and 418,104.90 is: 627,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,344.10 : 698,016.15 = 418,104.90 : x
  2. Step 2: Convert to fraction form
    465,344.10/698,016.15 = 418,104.90/x
  3. Step 3: Cross multiply
    465,344.10x = 698,016.15 × 418,104.90
  4. Step 4: Simplify right side
    465,344.10x = 291,843,972,594.14
  5. Step 5: Solve for x
    x = 291,843,972,594.14/465,344.10
  6. Step 6: Final answer
    x = 627,157.35

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Similar ratio
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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.