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Finding the Fourth Proportional to 487,607.80, 731,481.60 and 150,677.88

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Solution

The fourth proportional to 487,607.80, 731,481.60 and 150,677.88 is: 226,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,607.80 : 731,481.60 = 150,677.88 : x
  2. Step 2: Convert to fraction form
    487,607.80/731,481.60 = 150,677.88/x
  3. Step 3: Cross multiply
    487,607.80x = 731,481.60 × 150,677.88
  4. Step 4: Simplify right side
    487,607.80x = 110,218,096,747.01
  5. Step 5: Solve for x
    x = 110,218,096,747.01/487,607.80
  6. Step 6: Final answer
    x = 226,038.42

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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.