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Finding the Fourth Proportional to 331,805.52, 457,901.64 and 180,905.04

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Solution

The fourth proportional to 331,805.52, 457,901.64 and 180,905.04 is: 249,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,805.52 : 457,901.64 = 180,905.04 : x
  2. Step 2: Convert to fraction form
    331,805.52/457,901.64 = 180,905.04/x
  3. Step 3: Cross multiply
    331,805.52x = 457,901.64 × 180,905.04
  4. Step 4: Simplify right side
    331,805.52x = 82,836,714,500.27
  5. Step 5: Solve for x
    x = 82,836,714,500.27/331,805.52
  6. Step 6: Final answer
    x = 249,654.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.