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Finding the Fourth Proportional to 323,132.13, 445,913.65 and 179,892.17

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Solution

The fourth proportional to 323,132.13, 445,913.65 and 179,892.17 is: 248,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,132.13 : 445,913.65 = 179,892.17 : x
  2. Step 2: Convert to fraction form
    323,132.13/445,913.65 = 179,892.17/x
  3. Step 3: Cross multiply
    323,132.13x = 445,913.65 × 179,892.17
  4. Step 4: Simplify right side
    323,132.13x = 80,216,373,798.59
  5. Step 5: Solve for x
    x = 80,216,373,798.59/323,132.13
  6. Step 6: Final answer
    x = 248,246.36

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1.5x scale

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.