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Finding the Fourth Proportional to 360,084.06, 540,191.70 and 123,450.66

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Solution

The fourth proportional to 360,084.06, 540,191.70 and 123,450.66 is: 185,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,084.06 : 540,191.70 = 123,450.66 : x
  2. Step 2: Convert to fraction form
    360,084.06/540,191.70 = 123,450.66/x
  3. Step 3: Cross multiply
    360,084.06x = 540,191.70 × 123,450.66
  4. Step 4: Simplify right side
    360,084.06x = 66,687,021,891.52
  5. Step 5: Solve for x
    x = 66,687,021,891.52/360,084.06
  6. Step 6: Final answer
    x = 185,198.48

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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.