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Finding the Fourth Proportional to 341,707.70, 512,561.55 and 247,229.30

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Solution

The fourth proportional to 341,707.70, 512,561.55 and 247,229.30 is: 370,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,707.70 : 512,561.55 = 247,229.30 : x
  2. Step 2: Convert to fraction form
    341,707.70/512,561.55 = 247,229.30/x
  3. Step 3: Cross multiply
    341,707.70x = 512,561.55 × 247,229.30
  4. Step 4: Simplify right side
    341,707.70x = 126,720,233,213.42
  5. Step 5: Solve for x
    x = 126,720,233,213.42/341,707.70
  6. Step 6: Final answer
    x = 370,843.95

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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.