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Finding the Fourth Proportional to 551,445.06, 826,005.10 and 252,177.47

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Solution

The fourth proportional to 551,445.06, 826,005.10 and 252,177.47 is: 377,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,445.06 : 826,005.10 = 252,177.47 : x
  2. Step 2: Convert to fraction form
    551,445.06/826,005.10 = 252,177.47/x
  3. Step 3: Cross multiply
    551,445.06x = 826,005.10 × 252,177.47
  4. Step 4: Simplify right side
    551,445.06x = 208,299,876,325.10
  5. Step 5: Solve for x
    x = 208,299,876,325.10/551,445.06
  6. Step 6: Final answer
    x = 377,734.59

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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.