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Finding the Fourth Proportional to 425,642.30, 587,357.94 and 244,329.07

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Solution

The fourth proportional to 425,642.30, 587,357.94 and 244,329.07 is: 337,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,642.30 : 587,357.94 = 244,329.07 : x
  2. Step 2: Convert to fraction form
    425,642.30/587,357.94 = 244,329.07/x
  3. Step 3: Cross multiply
    425,642.30x = 587,357.94 × 244,329.07
  4. Step 4: Simplify right side
    425,642.30x = 143,508,617,447.33
  5. Step 5: Solve for x
    x = 143,508,617,447.33/425,642.30
  6. Step 6: Final answer
    x = 337,157.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.