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Finding the Fourth Proportional to 260,947.32, 360,107.28 and 147,791.94

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Solution

The fourth proportional to 260,947.32, 360,107.28 and 147,791.94 is: 203,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,947.32 : 360,107.28 = 147,791.94 : x
  2. Step 2: Convert to fraction form
    260,947.32/360,107.28 = 147,791.94/x
  3. Step 3: Cross multiply
    260,947.32x = 360,107.28 × 147,791.94
  4. Step 4: Simplify right side
    260,947.32x = 53,220,953,519.32
  5. Step 5: Solve for x
    x = 53,220,953,519.32/260,947.32
  6. Step 6: Final answer
    x = 203,952.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.