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Finding the Fourth Proportional to 362,292.90, 543,438.90 and 137,599.61

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Solution

The fourth proportional to 362,292.90, 543,438.90 and 137,599.61 is: 206,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,292.90 : 543,438.90 = 137,599.61 : x
  2. Step 2: Convert to fraction form
    362,292.90/543,438.90 = 137,599.61/x
  3. Step 3: Cross multiply
    362,292.90x = 543,438.90 × 137,599.61
  4. Step 4: Simplify right side
    362,292.90x = 74,776,980,698.83
  5. Step 5: Solve for x
    x = 74,776,980,698.83/362,292.90
  6. Step 6: Final answer
    x = 206,399.24

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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.