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Finding the Fourth Proportional to 435,281.76, 600,517.14 and 251,398.80

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Solution

The fourth proportional to 435,281.76, 600,517.14 and 251,398.80 is: 346,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,281.76 : 600,517.14 = 251,398.80 : x
  2. Step 2: Convert to fraction form
    435,281.76/600,517.14 = 251,398.80/x
  3. Step 3: Cross multiply
    435,281.76x = 600,517.14 × 251,398.80
  4. Step 4: Simplify right side
    435,281.76x = 150,969,288,375.43
  5. Step 5: Solve for x
    x = 150,969,288,375.43/435,281.76
  6. Step 6: Final answer
    x = 346,831.18

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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.