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Finding the Fourth Proportional to 618,251.68, 927,270.44 and 185,962.88

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Solution

The fourth proportional to 618,251.68, 927,270.44 and 185,962.88 is: 278,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,251.68 : 927,270.44 = 185,962.88 : x
  2. Step 2: Convert to fraction form
    618,251.68/927,270.44 = 185,962.88/x
  3. Step 3: Cross multiply
    618,251.68x = 927,270.44 × 185,962.88
  4. Step 4: Simplify right side
    618,251.68x = 172,437,884,344.35
  5. Step 5: Solve for x
    x = 172,437,884,344.35/618,251.68
  6. Step 6: Final answer
    x = 278,912.12

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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.