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Finding the Fourth Proportional to 425,399.65, 587,025.12 and 244,126.51

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Solution

The fourth proportional to 425,399.65, 587,025.12 and 244,126.51 is: 336,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,399.65 : 587,025.12 = 244,126.51 : x
  2. Step 2: Convert to fraction form
    425,399.65/587,025.12 = 244,126.51/x
  3. Step 3: Cross multiply
    425,399.65x = 587,025.12 × 244,126.51
  4. Step 4: Simplify right side
    425,399.65x = 143,308,393,275.84
  5. Step 5: Solve for x
    x = 143,308,393,275.84/425,399.65
  6. Step 6: Final answer
    x = 336,879.44

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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.