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Finding the Fourth Proportional to 323,324.56, 485,064.60 and 101,708.56

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Solution

The fourth proportional to 323,324.56, 485,064.60 and 101,708.56 is: 152,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,324.56 : 485,064.60 = 101,708.56 : x
  2. Step 2: Convert to fraction form
    323,324.56/485,064.60 = 101,708.56/x
  3. Step 3: Cross multiply
    323,324.56x = 485,064.60 × 101,708.56
  4. Step 4: Simplify right side
    323,324.56x = 49,335,221,972.98
  5. Step 5: Solve for x
    x = 49,335,221,972.98/323,324.56
  6. Step 6: Final answer
    x = 152,587.30

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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.