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Finding the Fourth Proportional to 625,163.28, 937,744.92 and 151,845.45

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Solution

The fourth proportional to 625,163.28, 937,744.92 and 151,845.45 is: 227,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,163.28 : 937,744.92 = 151,845.45 : x
  2. Step 2: Convert to fraction form
    625,163.28/937,744.92 = 151,845.45/x
  3. Step 3: Cross multiply
    625,163.28x = 937,744.92 × 151,845.45
  4. Step 4: Simplify right side
    625,163.28x = 142,392,299,362.61
  5. Step 5: Solve for x
    x = 142,392,299,362.61/625,163.28
  6. Step 6: Final answer
    x = 227,768.18

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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.