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Finding the Fourth Proportional to 445,033.53, 667,501.29 and 125,195.57

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Solution

The fourth proportional to 445,033.53, 667,501.29 and 125,195.57 is: 187,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,033.53 : 667,501.29 = 125,195.57 : x
  2. Step 2: Convert to fraction form
    445,033.53/667,501.29 = 125,195.57/x
  3. Step 3: Cross multiply
    445,033.53x = 667,501.29 × 125,195.57
  4. Step 4: Simplify right side
    445,033.53x = 83,568,201,139.78
  5. Step 5: Solve for x
    x = 83,568,201,139.78/445,033.53
  6. Step 6: Final answer
    x = 187,779.56

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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.