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Finding the Fourth Proportional to 362,223.60, 543,408.30 and 125,517.30

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Solution

The fourth proportional to 362,223.60, 543,408.30 and 125,517.30 is: 188,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,223.60 : 543,408.30 = 125,517.30 : x
  2. Step 2: Convert to fraction form
    362,223.60/543,408.30 = 125,517.30/x
  3. Step 3: Cross multiply
    362,223.60x = 543,408.30 × 125,517.30
  4. Step 4: Simplify right side
    362,223.60x = 68,207,142,613.59
  5. Step 5: Solve for x
    x = 68,207,142,613.59/362,223.60
  6. Step 6: Final answer
    x = 188,301.21

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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.