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Finding the Fourth Proportional to 465,467.10, 698,200.65 and 418,227.90

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Solution

The fourth proportional to 465,467.10, 698,200.65 and 418,227.90 is: 627,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,467.10 : 698,200.65 = 418,227.90 : x
  2. Step 2: Convert to fraction form
    465,467.10/698,200.65 = 418,227.90/x
  3. Step 3: Cross multiply
    465,467.10x = 698,200.65 × 418,227.90
  4. Step 4: Simplify right side
    465,467.10x = 292,006,991,628.14
  5. Step 5: Solve for x
    x = 292,006,991,628.14/465,467.10
  6. Step 6: Final answer
    x = 627,341.85

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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.