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Finding the Fourth Proportional to 551,479.43, 826,503.96 and 247,649.24

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Solution

The fourth proportional to 551,479.43, 826,503.96 and 247,649.24 is: 371,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,479.43 : 826,503.96 = 247,649.24 : x
  2. Step 2: Convert to fraction form
    551,479.43/826,503.96 = 247,649.24/x
  3. Step 3: Cross multiply
    551,479.43x = 826,503.96 × 247,649.24
  4. Step 4: Simplify right side
    551,479.43x = 204,683,073,418.47
  5. Step 5: Solve for x
    x = 204,683,073,418.47/551,479.43
  6. Step 6: Final answer
    x = 371,152.69

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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.