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Finding the Fourth Proportional to 497,691.95, 746,537.72 and 123,714.95

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Solution

The fourth proportional to 497,691.95, 746,537.72 and 123,714.95 is: 185,572.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,691.95 : 746,537.72 = 123,714.95 : x
  2. Step 2: Convert to fraction form
    497,691.95/746,537.72 = 123,714.95/x
  3. Step 3: Cross multiply
    497,691.95x = 746,537.72 × 123,714.95
  4. Step 4: Simplify right side
    497,691.95x = 92,357,872,351.65
  5. Step 5: Solve for x
    x = 92,357,872,351.65/497,691.95
  6. Step 6: Final answer
    x = 185,572.37

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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.