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Finding the Fourth Proportional to 944,691.92, 1,416,891.81 and 345,512.96

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Solution

The fourth proportional to 944,691.92, 1,416,891.81 and 345,512.96 is: 518,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,691.92 : 1,416,891.81 = 345,512.96 : x
  2. Step 2: Convert to fraction form
    944,691.92/1,416,891.81 = 345,512.96/x
  3. Step 3: Cross multiply
    944,691.92x = 1,416,891.81 × 345,512.96
  4. Step 4: Simplify right side
    944,691.92x = 489,554,483,272.86
  5. Step 5: Solve for x
    x = 489,554,483,272.86/944,691.92
  6. Step 6: Final answer
    x = 518,216.02

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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.