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Finding the Fourth Proportional to 362,293.16, 543,439.28 and 137,599.85

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Solution

The fourth proportional to 362,293.16, 543,439.28 and 137,599.85 is: 206,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,293.16 : 543,439.28 = 137,599.85 : x
  2. Step 2: Convert to fraction form
    362,293.16/543,439.28 = 137,599.85/x
  3. Step 3: Cross multiply
    362,293.16x = 543,439.28 × 137,599.85
  4. Step 4: Simplify right side
    362,293.16x = 74,777,165,114.71
  5. Step 5: Solve for x
    x = 74,777,165,114.71/362,293.16
  6. Step 6: Final answer
    x = 206,399.61

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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.