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Finding the Fourth Proportional to 487,352.16, 731,125.69 and 150,380.15

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Solution

The fourth proportional to 487,352.16, 731,125.69 and 150,380.15 is: 225,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,352.16 : 731,125.69 = 150,380.15 : x
  2. Step 2: Convert to fraction form
    487,352.16/731,125.69 = 150,380.15/x
  3. Step 3: Cross multiply
    487,352.16x = 731,125.69 × 150,380.15
  4. Step 4: Simplify right side
    487,352.16x = 109,946,786,899.48
  5. Step 5: Solve for x
    x = 109,946,786,899.48/487,352.16
  6. Step 6: Final answer
    x = 225,600.29

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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.