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Finding the Fourth Proportional to 425,816.65, 587,718.17 and 244,628.48

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Solution

The fourth proportional to 425,816.65, 587,718.17 and 244,628.48 is: 337,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,816.65 : 587,718.17 = 244,628.48 : x
  2. Step 2: Convert to fraction form
    425,816.65/587,718.17 = 244,628.48/x
  3. Step 3: Cross multiply
    425,816.65x = 587,718.17 × 244,628.48
  4. Step 4: Simplify right side
    425,816.65x = 143,772,601,762.03
  5. Step 5: Solve for x
    x = 143,772,601,762.03/425,816.65
  6. Step 6: Final answer
    x = 337,639.69

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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.