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Finding the Fourth Proportional to 362,560.46, 543,854.34 and 137,879.01

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Solution

The fourth proportional to 362,560.46, 543,854.34 and 137,879.01 is: 206,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,560.46 : 543,854.34 = 137,879.01 : x
  2. Step 2: Convert to fraction form
    362,560.46/543,854.34 = 137,879.01/x
  3. Step 3: Cross multiply
    362,560.46x = 543,854.34 × 137,879.01
  4. Step 4: Simplify right side
    362,560.46x = 74,986,097,983.40
  5. Step 5: Solve for x
    x = 74,986,097,983.40/362,560.46
  6. Step 6: Final answer
    x = 206,823.71

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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.