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Finding the Fourth Proportional to 412,527.52, 618,791.76 and 113,010.68

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Solution

The fourth proportional to 412,527.52, 618,791.76 and 113,010.68 is: 169,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,527.52 : 618,791.76 = 113,010.68 : x
  2. Step 2: Convert to fraction form
    412,527.52/618,791.76 = 113,010.68/x
  3. Step 3: Cross multiply
    412,527.52x = 618,791.76 × 113,010.68
  4. Step 4: Simplify right side
    412,527.52x = 69,930,077,576.00
  5. Step 5: Solve for x
    x = 69,930,077,576.00/412,527.52
  6. Step 6: Final answer
    x = 169,516.15

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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.