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Finding the Fourth Proportional to 360,519.31, 540,791.52 and 123,860.26

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Solution

The fourth proportional to 360,519.31, 540,791.52 and 123,860.26 is: 185,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,519.31 : 540,791.52 = 123,860.26 : x
  2. Step 2: Convert to fraction form
    360,519.31/540,791.52 = 123,860.26/x
  3. Step 3: Cross multiply
    360,519.31x = 540,791.52 × 123,860.26
  4. Step 4: Simplify right side
    360,519.31x = 66,982,578,273.00
  5. Step 5: Solve for x
    x = 66,982,578,273.00/360,519.31
  6. Step 6: Final answer
    x = 185,794.70

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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.