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Finding the Fourth Proportional to 263,233.68, 394,675.56 and 144,960.72

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Solution

The fourth proportional to 263,233.68, 394,675.56 and 144,960.72 is: 217,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,233.68 : 394,675.56 = 144,960.72 : x
  2. Step 2: Convert to fraction form
    263,233.68/394,675.56 = 144,960.72/x
  3. Step 3: Cross multiply
    263,233.68x = 394,675.56 × 144,960.72
  4. Step 4: Simplify right side
    263,233.68x = 57,212,453,344.00
  5. Step 5: Solve for x
    x = 57,212,453,344.00/263,233.68
  6. Step 6: Final answer
    x = 217,344.73

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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.