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Finding the Fourth Proportional to 260,763.80, 360,512.15 and 192,673.38

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Solution

The fourth proportional to 260,763.80, 360,512.15 and 192,673.38 is: 266,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,763.80 : 360,512.15 = 192,673.38 : x
  2. Step 2: Convert to fraction form
    260,763.80/360,512.15 = 192,673.38/x
  3. Step 3: Cross multiply
    260,763.80x = 360,512.15 × 192,673.38
  4. Step 4: Simplify right side
    260,763.80x = 69,461,094,471.57
  5. Step 5: Solve for x
    x = 69,461,094,471.57/260,763.80
  6. Step 6: Final answer
    x = 266,375.53

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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.