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Finding the Fourth Proportional to 487,591.02, 731,456.48 and 150,661.08

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Solution

The fourth proportional to 487,591.02, 731,456.48 and 150,661.08 is: 226,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,591.02 : 731,456.48 = 150,661.08 : x
  2. Step 2: Convert to fraction form
    487,591.02/731,456.48 = 150,661.08/x
  3. Step 3: Cross multiply
    487,591.02x = 731,456.48 × 150,661.08
  4. Step 4: Simplify right side
    487,591.02x = 110,202,023,626.45
  5. Step 5: Solve for x
    x = 110,202,023,626.45/487,591.02
  6. Step 6: Final answer
    x = 226,013.23

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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.