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Finding the Fourth Proportional to 329,236.28, 493,854.60 and 92,578.95

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Solution

The fourth proportional to 329,236.28, 493,854.60 and 92,578.95 is: 138,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,236.28 : 493,854.60 = 92,578.95 : x
  2. Step 2: Convert to fraction form
    329,236.28/493,854.60 = 92,578.95/x
  3. Step 3: Cross multiply
    329,236.28x = 493,854.60 × 92,578.95
  4. Step 4: Simplify right side
    329,236.28x = 45,720,540,667.84
  5. Step 5: Solve for x
    x = 45,720,540,667.84/329,236.28
  6. Step 6: Final answer
    x = 138,868.48

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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.