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Finding the Fourth Proportional to 551,010.90, 826,516.35 and 547,511.70

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Solution

The fourth proportional to 551,010.90, 826,516.35 and 547,511.70 is: 821,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,010.90 : 826,516.35 = 547,511.70 : x
  2. Step 2: Convert to fraction form
    551,010.90/826,516.35 = 547,511.70/x
  3. Step 3: Cross multiply
    551,010.90x = 826,516.35 × 547,511.70
  4. Step 4: Simplify right side
    551,010.90x = 452,527,371,866.30
  5. Step 5: Solve for x
    x = 452,527,371,866.30/551,010.90
  6. Step 6: Final answer
    x = 821,267.55

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Similar ratio
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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.