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Finding the Fourth Proportional to 425,382.48, 637,471.68 and 235,926.24

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Solution

The fourth proportional to 425,382.48, 637,471.68 and 235,926.24 is: 353,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,382.48 : 637,471.68 = 235,926.24 : x
  2. Step 2: Convert to fraction form
    425,382.48/637,471.68 = 235,926.24/x
  3. Step 3: Cross multiply
    425,382.48x = 637,471.68 × 235,926.24
  4. Step 4: Simplify right side
    425,382.48x = 150,396,296,568.88
  5. Step 5: Solve for x
    x = 150,396,296,568.88/425,382.48
  6. Step 6: Final answer
    x = 353,555.46

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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.