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Finding the Fourth Proportional to 672,701.57, 932,335.41 and 660,104.45

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Solution

The fourth proportional to 672,701.57, 932,335.41 and 660,104.45 is: 914,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,701.57 : 932,335.41 = 660,104.45 : x
  2. Step 2: Convert to fraction form
    672,701.57/932,335.41 = 660,104.45/x
  3. Step 3: Cross multiply
    672,701.57x = 932,335.41 × 660,104.45
  4. Step 4: Simplify right side
    672,701.57x = 615,438,753,033.58
  5. Step 5: Solve for x
    x = 615,438,753,033.58/672,701.57
  6. Step 6: Final answer
    x = 914,876.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.