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Finding the Fourth Proportional to 474,359.52, 711,513.54 and 119,372.88

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Solution

The fourth proportional to 474,359.52, 711,513.54 and 119,372.88 is: 179,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,359.52 : 711,513.54 = 119,372.88 : x
  2. Step 2: Convert to fraction form
    474,359.52/711,513.54 = 119,372.88/x
  3. Step 3: Cross multiply
    474,359.52x = 711,513.54 × 119,372.88
  4. Step 4: Simplify right side
    474,359.52x = 84,935,420,428.80
  5. Step 5: Solve for x
    x = 84,935,420,428.80/474,359.52
  6. Step 6: Final answer
    x = 179,052.84

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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.