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Finding the Fourth Proportional to 501,668.55, 752,306.79 and 181,744.47

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Solution

The fourth proportional to 501,668.55, 752,306.79 and 181,744.47 is: 272,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,668.55 : 752,306.79 = 181,744.47 : x
  2. Step 2: Convert to fraction form
    501,668.55/752,306.79 = 181,744.47/x
  3. Step 3: Cross multiply
    501,668.55x = 752,306.79 × 181,744.47
  4. Step 4: Simplify right side
    501,668.55x = 136,727,598,825.95
  5. Step 5: Solve for x
    x = 136,727,598,825.95/501,668.55
  6. Step 6: Final answer
    x = 272,545.69

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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.