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Finding the Fourth Proportional to 487,238.76, 730,936.98 and 150,200.61

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Solution

The fourth proportional to 487,238.76, 730,936.98 and 150,200.61 is: 225,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,238.76 : 730,936.98 = 150,200.61 : x
  2. Step 2: Convert to fraction form
    487,238.76/730,936.98 = 150,200.61/x
  3. Step 3: Cross multiply
    487,238.76x = 730,936.98 × 150,200.61
  4. Step 4: Simplify right side
    487,238.76x = 109,787,180,267.56
  5. Step 5: Solve for x
    x = 109,787,180,267.56/487,238.76
  6. Step 6: Final answer
    x = 225,325.22

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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.