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Finding the Fourth Proportional to 487,440.48, 731,179.53 and 150,450.87

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Solution

The fourth proportional to 487,440.48, 731,179.53 and 150,450.87 is: 225,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,440.48 : 731,179.53 = 150,450.87 : x
  2. Step 2: Convert to fraction form
    487,440.48/731,179.53 = 150,450.87/x
  3. Step 3: Cross multiply
    487,440.48x = 731,179.53 × 150,450.87
  4. Step 4: Simplify right side
    487,440.48x = 110,006,596,414.69
  5. Step 5: Solve for x
    x = 110,006,596,414.69/487,440.48
  6. Step 6: Final answer
    x = 225,682.11

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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.