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Finding the Fourth Proportional to 487,449.97, 731,194.39 and 150,460.81

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Solution

The fourth proportional to 487,449.97, 731,194.39 and 150,460.81 is: 225,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,449.97 : 731,194.39 = 150,460.81 : x
  2. Step 2: Convert to fraction form
    487,449.97/731,194.39 = 150,460.81/x
  3. Step 3: Cross multiply
    487,449.97x = 731,194.39 × 150,460.81
  4. Step 4: Simplify right side
    487,449.97x = 110,016,098,546.95
  5. Step 5: Solve for x
    x = 110,016,098,546.95/487,449.97
  6. Step 6: Final answer
    x = 225,697.21

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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.