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Finding the Fourth Proportional to 273,790.20, 410,612.40 and 84,250.20

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Solution

The fourth proportional to 273,790.20, 410,612.40 and 84,250.20 is: 126,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,790.20 : 410,612.40 = 84,250.20 : x
  2. Step 2: Convert to fraction form
    273,790.20/410,612.40 = 84,250.20/x
  3. Step 3: Cross multiply
    273,790.20x = 410,612.40 × 84,250.20
  4. Step 4: Simplify right side
    273,790.20x = 34,594,176,822.48
  5. Step 5: Solve for x
    x = 34,594,176,822.48/273,790.20
  6. Step 6: Final answer
    x = 126,352.87

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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.