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Finding the Fourth Proportional to 585,744.70, 877,614.07 and 319,691.90

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Solution

The fourth proportional to 585,744.70, 877,614.07 and 319,691.90 is: 478,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,744.70 : 877,614.07 = 319,691.90 : x
  2. Step 2: Convert to fraction form
    585,744.70/877,614.07 = 319,691.90/x
  3. Step 3: Cross multiply
    585,744.70x = 877,614.07 × 319,691.90
  4. Step 4: Simplify right side
    585,744.70x = 280,566,109,505.03
  5. Step 5: Solve for x
    x = 280,566,109,505.03/585,744.70
  6. Step 6: Final answer
    x = 478,990.44

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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.