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Finding the Fourth Proportional to 616,220.98, 925,092.66 and 292,318.78

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Solution

The fourth proportional to 616,220.98, 925,092.66 and 292,318.78 is: 438,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,220.98 : 925,092.66 = 292,318.78 : x
  2. Step 2: Convert to fraction form
    616,220.98/925,092.66 = 292,318.78/x
  3. Step 3: Cross multiply
    616,220.98x = 925,092.66 × 292,318.78
  4. Step 4: Simplify right side
    616,220.98x = 270,421,957,758.16
  5. Step 5: Solve for x
    x = 270,421,957,758.16/616,220.98
  6. Step 6: Final answer
    x = 438,839.26

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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.