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Finding the Fourth Proportional to 372,854.62, 514,552.17 and 211,704.31

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Solution

The fourth proportional to 372,854.62, 514,552.17 and 211,704.31 is: 292,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,854.62 : 514,552.17 = 211,704.31 : x
  2. Step 2: Convert to fraction form
    372,854.62/514,552.17 = 211,704.31/x
  3. Step 3: Cross multiply
    372,854.62x = 514,552.17 × 211,704.31
  4. Step 4: Simplify right side
    372,854.62x = 108,932,912,108.85
  5. Step 5: Solve for x
    x = 108,932,912,108.85/372,854.62
  6. Step 6: Final answer
    x = 292,159.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.