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Finding the Fourth Proportional to 399,250.06, 598,269.15 and 292,704.97

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Solution

The fourth proportional to 399,250.06, 598,269.15 and 292,704.97 is: 438,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,250.06 : 598,269.15 = 292,704.97 : x
  2. Step 2: Convert to fraction form
    399,250.06/598,269.15 = 292,704.97/x
  3. Step 3: Cross multiply
    399,250.06x = 598,269.15 × 292,704.97
  4. Step 4: Simplify right side
    399,250.06x = 175,116,351,957.74
  5. Step 5: Solve for x
    x = 175,116,351,957.74/399,250.06
  6. Step 6: Final answer
    x = 438,613.21

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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.