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Finding the Fourth Proportional to 326,294.92, 488,863.02 and 136,337.11

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Solution

The fourth proportional to 326,294.92, 488,863.02 and 136,337.11 is: 204,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,294.92 : 488,863.02 = 136,337.11 : x
  2. Step 2: Convert to fraction form
    326,294.92/488,863.02 = 136,337.11/x
  3. Step 3: Cross multiply
    326,294.92x = 488,863.02 × 136,337.11
  4. Step 4: Simplify right side
    326,294.92x = 66,650,171,332.67
  5. Step 5: Solve for x
    x = 66,650,171,332.67/326,294.92
  6. Step 6: Final answer
    x = 204,263.59

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1.5x scale

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.