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Finding the Fourth Proportional to 331,519.50, 457,497.72 and 180,616.50

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Solution

The fourth proportional to 331,519.50, 457,497.72 and 180,616.50 is: 249,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,519.50 : 457,497.72 = 180,616.50 : x
  2. Step 2: Convert to fraction form
    331,519.50/457,497.72 = 180,616.50/x
  3. Step 3: Cross multiply
    331,519.50x = 457,497.72 × 180,616.50
  4. Step 4: Simplify right side
    331,519.50x = 82,631,636,944.38
  5. Step 5: Solve for x
    x = 82,631,636,944.38/331,519.50
  6. Step 6: Final answer
    x = 249,251.21

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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.