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Finding the Fourth Proportional to 247,472.46, 341,512.92 and 134,295.21

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Solution

The fourth proportional to 247,472.46, 341,512.92 and 134,295.21 is: 185,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,472.46 : 341,512.92 = 134,295.21 : x
  2. Step 2: Convert to fraction form
    247,472.46/341,512.92 = 134,295.21/x
  3. Step 3: Cross multiply
    247,472.46x = 341,512.92 × 134,295.21
  4. Step 4: Simplify right side
    247,472.46x = 45,863,549,309.11
  5. Step 5: Solve for x
    x = 45,863,549,309.11/247,472.46
  6. Step 6: Final answer
    x = 185,327.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.