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Finding the Fourth Proportional to 323,932.60, 486,117.60 and 181,777.60

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Solution

The fourth proportional to 323,932.60, 486,117.60 and 181,777.60 is: 272,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,932.60 : 486,117.60 = 181,777.60 : x
  2. Step 2: Convert to fraction form
    323,932.60/486,117.60 = 181,777.60/x
  3. Step 3: Cross multiply
    323,932.60x = 486,117.60 × 181,777.60
  4. Step 4: Simplify right side
    323,932.60x = 88,365,290,645.76
  5. Step 5: Solve for x
    x = 88,365,290,645.76/323,932.60
  6. Step 6: Final answer
    x = 272,789.13

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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.