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Finding the Fourth Proportional to 676,044.90, 932,942.16 and 374,238.90

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Solution

The fourth proportional to 676,044.90, 932,942.16 and 374,238.90 is: 516,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,044.90 : 932,942.16 = 374,238.90 : x
  2. Step 2: Convert to fraction form
    676,044.90/932,942.16 = 374,238.90/x
  3. Step 3: Cross multiply
    676,044.90x = 932,942.16 × 374,238.90
  4. Step 4: Simplify right side
    676,044.90x = 349,143,247,722.02
  5. Step 5: Solve for x
    x = 349,143,247,722.02/676,044.90
  6. Step 6: Final answer
    x = 516,449.79

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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.