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Finding the Fourth Proportional to 362,560.56, 543,854.52 and 137,879.12

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Solution

The fourth proportional to 362,560.56, 543,854.52 and 137,879.12 is: 206,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,560.56 : 543,854.52 = 137,879.12 : x
  2. Step 2: Convert to fraction form
    362,560.56/543,854.52 = 137,879.12/x
  3. Step 3: Cross multiply
    362,560.56x = 543,854.52 × 137,879.12
  4. Step 4: Simplify right side
    362,560.56x = 74,986,182,625.62
  5. Step 5: Solve for x
    x = 74,986,182,625.62/362,560.56
  6. Step 6: Final answer
    x = 206,823.88

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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.