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Finding the Fourth Proportional to 329,020.92, 490,642.23 and 326,027.16

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Solution

The fourth proportional to 329,020.92, 490,642.23 and 326,027.16 is: 486,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,020.92 : 490,642.23 = 326,027.16 : x
  2. Step 2: Convert to fraction form
    329,020.92/490,642.23 = 326,027.16/x
  3. Step 3: Cross multiply
    329,020.92x = 490,642.23 × 326,027.16
  4. Step 4: Simplify right side
    329,020.92x = 159,962,692,822.97
  5. Step 5: Solve for x
    x = 159,962,692,822.97/329,020.92
  6. Step 6: Final answer
    x = 486,177.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.