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Finding the Fourth Proportional to 331,536.53, 497,304.80 and 121,174.47

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Solution

The fourth proportional to 331,536.53, 497,304.80 and 121,174.47 is: 181,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,536.53 : 497,304.80 = 121,174.47 : x
  2. Step 2: Convert to fraction form
    331,536.53/497,304.80 = 121,174.47/x
  3. Step 3: Cross multiply
    331,536.53x = 497,304.80 × 121,174.47
  4. Step 4: Simplify right side
    331,536.53x = 60,260,645,568.46
  5. Step 5: Solve for x
    x = 60,260,645,568.46/331,536.53
  6. Step 6: Final answer
    x = 181,761.71

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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.