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Finding the Fourth Proportional to 326,062.56, 489,167.46 and 115,700.52

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Solution

The fourth proportional to 326,062.56, 489,167.46 and 115,700.52 is: 173,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,062.56 : 489,167.46 = 115,700.52 : x
  2. Step 2: Convert to fraction form
    326,062.56/489,167.46 = 115,700.52/x
  3. Step 3: Cross multiply
    326,062.56x = 489,167.46 × 115,700.52
  4. Step 4: Simplify right side
    326,062.56x = 56,596,929,489.08
  5. Step 5: Solve for x
    x = 56,596,929,489.08/326,062.56
  6. Step 6: Final answer
    x = 173,576.90

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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.