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Finding the Fourth Proportional to 323,042.72, 484,785.81 and 112,680.68

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Solution

The fourth proportional to 323,042.72, 484,785.81 and 112,680.68 is: 169,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,042.72 : 484,785.81 = 112,680.68 : x
  2. Step 2: Convert to fraction form
    323,042.72/484,785.81 = 112,680.68/x
  3. Step 3: Cross multiply
    323,042.72x = 484,785.81 × 112,680.68
  4. Step 4: Simplify right side
    323,042.72x = 54,625,992,301.22
  5. Step 5: Solve for x
    x = 54,625,992,301.22/323,042.72
  6. Step 6: Final answer
    x = 169,098.36

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1.5x scale

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.