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Finding the Fourth Proportional to 326,374.71, 489,451.18 and 113,092.86

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Solution

The fourth proportional to 326,374.71, 489,451.18 and 113,092.86 is: 169,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,374.71 : 489,451.18 = 113,092.86 : x
  2. Step 2: Convert to fraction form
    326,374.71/489,451.18 = 113,092.86/x
  3. Step 3: Cross multiply
    326,374.71x = 489,451.18 × 113,092.86
  4. Step 4: Simplify right side
    326,374.71x = 55,353,433,776.57
  5. Step 5: Solve for x
    x = 55,353,433,776.57/326,374.71
  6. Step 6: Final answer
    x = 169,600.87

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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.