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Finding the Fourth Proportional to 551,445.56, 826,005.85 and 252,177.97

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Solution

The fourth proportional to 551,445.56, 826,005.85 and 252,177.97 is: 377,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,445.56 : 826,005.85 = 252,177.97 : x
  2. Step 2: Convert to fraction form
    551,445.56/826,005.85 = 252,177.97/x
  3. Step 3: Cross multiply
    551,445.56x = 826,005.85 × 252,177.97
  4. Step 4: Simplify right side
    551,445.56x = 208,300,478,461.12
  5. Step 5: Solve for x
    x = 208,300,478,461.12/551,445.56
  6. Step 6: Final answer
    x = 377,735.34

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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.