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Finding the Fourth Proportional to 365,012.79, 547,519.25 and 137,351.27

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Solution

The fourth proportional to 365,012.79, 547,519.25 and 137,351.27 is: 206,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,012.79 : 547,519.25 = 137,351.27 : x
  2. Step 2: Convert to fraction form
    365,012.79/547,519.25 = 137,351.27/x
  3. Step 3: Cross multiply
    365,012.79x = 547,519.25 × 137,351.27
  4. Step 4: Simplify right side
    365,012.79x = 75,202,460,912.59
  5. Step 5: Solve for x
    x = 75,202,460,912.59/365,012.79
  6. Step 6: Final answer
    x = 206,026.92

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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.