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Finding the Fourth Proportional to 551,476.80, 826,500.03 and 247,646.61

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Solution

The fourth proportional to 551,476.80, 826,500.03 and 247,646.61 is: 371,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,476.80 : 826,500.03 = 247,646.61 : x
  2. Step 2: Convert to fraction form
    551,476.80/826,500.03 = 247,646.61/x
  3. Step 3: Cross multiply
    551,476.80x = 826,500.03 × 247,646.61
  4. Step 4: Simplify right side
    551,476.80x = 204,679,930,594.40
  5. Step 5: Solve for x
    x = 204,679,930,594.40/551,476.80
  6. Step 6: Final answer
    x = 371,148.76

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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.