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Finding the Fourth Proportional to 551,010.99, 826,419.69 and 151,555.44

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Solution

The fourth proportional to 551,010.99, 826,419.69 and 151,555.44 is: 227,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,010.99 : 826,419.69 = 151,555.44 : x
  2. Step 2: Convert to fraction form
    551,010.99/826,419.69 = 151,555.44/x
  3. Step 3: Cross multiply
    551,010.99x = 826,419.69 × 151,555.44
  4. Step 4: Simplify right side
    551,010.99x = 125,248,399,742.61
  5. Step 5: Solve for x
    x = 125,248,399,742.61/551,010.99
  6. Step 6: Final answer
    x = 227,306.54

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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.