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Finding the Fourth Proportional to 474,338.52, 711,489.96 and 119,347.92

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Solution

The fourth proportional to 474,338.52, 711,489.96 and 119,347.92 is: 179,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,338.52 : 711,489.96 = 119,347.92 : x
  2. Step 2: Convert to fraction form
    474,338.52/711,489.96 = 119,347.92/x
  3. Step 3: Cross multiply
    474,338.52x = 711,489.96 × 119,347.92
  4. Step 4: Simplify right side
    474,338.52x = 84,914,846,826.88
  5. Step 5: Solve for x
    x = 84,914,846,826.88/474,338.52
  6. Step 6: Final answer
    x = 179,017.40

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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.