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Finding the Fourth Proportional to 323,765.30, 484,732.15 and 171,615.71

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Solution

The fourth proportional to 323,765.30, 484,732.15 and 171,615.71 is: 256,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,765.30 : 484,732.15 = 171,615.71 : x
  2. Step 2: Convert to fraction form
    323,765.30/484,732.15 = 171,615.71/x
  3. Step 3: Cross multiply
    323,765.30x = 484,732.15 × 171,615.71
  4. Step 4: Simplify right side
    323,765.30x = 83,187,652,864.87
  5. Step 5: Solve for x
    x = 83,187,652,864.87/323,765.30
  6. Step 6: Final answer
    x = 256,938.13

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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.