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Finding the Fourth Proportional to 659,179.17, 988,761.53 and 500,231.49

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Solution

The fourth proportional to 659,179.17, 988,761.53 and 500,231.49 is: 750,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,179.17 : 988,761.53 = 500,231.49 : x
  2. Step 2: Convert to fraction form
    659,179.17/988,761.53 = 500,231.49/x
  3. Step 3: Cross multiply
    659,179.17x = 988,761.53 × 500,231.49
  4. Step 4: Simplify right side
    659,179.17x = 494,609,650,905.42
  5. Step 5: Solve for x
    x = 494,609,650,905.42/659,179.17
  6. Step 6: Final answer
    x = 750,341.75

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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.