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Finding the Fourth Proportional to 532,103.20, 797,079.60 and 331,808.80

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Solution

The fourth proportional to 532,103.20, 797,079.60 and 331,808.80 is: 497,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,103.20 : 797,079.60 = 331,808.80 : x
  2. Step 2: Convert to fraction form
    532,103.20/797,079.60 = 331,808.80/x
  3. Step 3: Cross multiply
    532,103.20x = 797,079.60 × 331,808.80
  4. Step 4: Simplify right side
    532,103.20x = 264,478,025,580.48
  5. Step 5: Solve for x
    x = 264,478,025,580.48/532,103.20
  6. Step 6: Final answer
    x = 497,042.73

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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.