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Finding the Fourth Proportional to 474,324.92, 711,434.70 and 119,339

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Solution

The fourth proportional to 474,324.92, 711,434.70 and 119,339 is: 178,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,324.92 : 711,434.70 = 119,339 : x
  2. Step 2: Convert to fraction form
    474,324.92/711,434.70 = 119,339/x
  3. Step 3: Cross multiply
    474,324.92x = 711,434.70 × 119,339
  4. Step 4: Simplify right side
    474,324.92x = 84,901,905,663.30
  5. Step 5: Solve for x
    x = 84,901,905,663.30/474,324.92
  6. Step 6: Final answer
    x = 178,995.25

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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.