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Finding the Fourth Proportional to 362,546.80, 543,820.20 and 125,913.40

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Solution

The fourth proportional to 362,546.80, 543,820.20 and 125,913.40 is: 188,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,546.80 : 543,820.20 = 125,913.40 : x
  2. Step 2: Convert to fraction form
    362,546.80/543,820.20 = 125,913.40/x
  3. Step 3: Cross multiply
    362,546.80x = 543,820.20 × 125,913.40
  4. Step 4: Simplify right side
    362,546.80x = 68,474,250,370.68
  5. Step 5: Solve for x
    x = 68,474,250,370.68/362,546.80
  6. Step 6: Final answer
    x = 188,870.10

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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.