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Finding the Fourth Proportional to 260,538.75, 359,543.48 and 147,359.07

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Solution

The fourth proportional to 260,538.75, 359,543.48 and 147,359.07 is: 203,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,538.75 : 359,543.48 = 147,359.07 : x
  2. Step 2: Convert to fraction form
    260,538.75/359,543.48 = 147,359.07/x
  3. Step 3: Cross multiply
    260,538.75x = 359,543.48 × 147,359.07
  4. Step 4: Simplify right side
    260,538.75x = 52,981,992,100.57
  5. Step 5: Solve for x
    x = 52,981,992,100.57/260,538.75
  6. Step 6: Final answer
    x = 203,355.52

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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.