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Finding the Fourth Proportional to 465,781.70, 698,672.55 and 406,732.70

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Solution

The fourth proportional to 465,781.70, 698,672.55 and 406,732.70 is: 610,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,781.70 : 698,672.55 = 406,732.70 : x
  2. Step 2: Convert to fraction form
    465,781.70/698,672.55 = 406,732.70/x
  3. Step 3: Cross multiply
    465,781.70x = 698,672.55 × 406,732.70
  4. Step 4: Simplify right side
    465,781.70x = 284,172,972,677.39
  5. Step 5: Solve for x
    x = 284,172,972,677.39/465,781.70
  6. Step 6: Final answer
    x = 610,099.05

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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.