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Finding the Fourth Proportional to 260,719.69, 359,793.17 and 141,487.69

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Solution

The fourth proportional to 260,719.69, 359,793.17 and 141,487.69 is: 195,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,719.69 : 359,793.17 = 141,487.69 : x
  2. Step 2: Convert to fraction form
    260,719.69/359,793.17 = 141,487.69/x
  3. Step 3: Cross multiply
    260,719.69x = 359,793.17 × 141,487.69
  4. Step 4: Simplify right side
    260,719.69x = 50,906,304,501.08
  5. Step 5: Solve for x
    x = 50,906,304,501.08/260,719.69
  6. Step 6: Final answer
    x = 195,253.01

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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.