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Finding the Fourth Proportional to 725,520.80, 1,088,292 and 252,222.32

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Solution

The fourth proportional to 725,520.80, 1,088,292 and 252,222.32 is: 378,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,520.80 : 1,088,292 = 252,222.32 : x
  2. Step 2: Convert to fraction form
    725,520.80/1,088,292 = 252,222.32/x
  3. Step 3: Cross multiply
    725,520.80x = 1,088,292 × 252,222.32
  4. Step 4: Simplify right side
    725,520.80x = 274,491,533,077.44
  5. Step 5: Solve for x
    x = 274,491,533,077.44/725,520.80
  6. Step 6: Final answer
    x = 378,337.23

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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.