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Finding the Fourth Proportional to 362,647.80, 543,842.10 and 125,998.20

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Solution

The fourth proportional to 362,647.80, 543,842.10 and 125,998.20 is: 188,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,647.80 : 543,842.10 = 125,998.20 : x
  2. Step 2: Convert to fraction form
    362,647.80/543,842.10 = 125,998.20/x
  3. Step 3: Cross multiply
    362,647.80x = 543,842.10 × 125,998.20
  4. Step 4: Simplify right side
    362,647.80x = 68,523,125,684.22
  5. Step 5: Solve for x
    x = 68,523,125,684.22/362,647.80
  6. Step 6: Final answer
    x = 188,952.27

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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.