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Finding the Fourth Proportional to 326,167.38, 488,453.76 and 192,651.30

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Solution

The fourth proportional to 326,167.38, 488,453.76 and 192,651.30 is: 288,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,167.38 : 488,453.76 = 192,651.30 : x
  2. Step 2: Convert to fraction form
    326,167.38/488,453.76 = 192,651.30/x
  3. Step 3: Cross multiply
    326,167.38x = 488,453.76 × 192,651.30
  4. Step 4: Simplify right side
    326,167.38x = 94,101,251,853.89
  5. Step 5: Solve for x
    x = 94,101,251,853.89/326,167.38
  6. Step 6: Final answer
    x = 288,506.02

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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.