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Finding the Fourth Proportional to 252,576.57, 378,927.23 and 75,082.83

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Solution

The fourth proportional to 252,576.57, 378,927.23 and 75,082.83 is: 112,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,576.57 : 378,927.23 = 75,082.83 : x
  2. Step 2: Convert to fraction form
    252,576.57/378,927.23 = 75,082.83/x
  3. Step 3: Cross multiply
    252,576.57x = 378,927.23 × 75,082.83
  4. Step 4: Simplify right side
    252,576.57x = 28,450,928,792.46
  5. Step 5: Solve for x
    x = 28,450,928,792.46/252,576.57
  6. Step 6: Final answer
    x = 112,642.79

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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.