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Finding the Fourth Proportional to 425,664.32, 587,416.56 and 244,387.94

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Solution

The fourth proportional to 425,664.32, 587,416.56 and 244,387.94 is: 337,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,664.32 : 587,416.56 = 244,387.94 : x
  2. Step 2: Convert to fraction form
    425,664.32/587,416.56 = 244,387.94/x
  3. Step 3: Cross multiply
    425,664.32x = 587,416.56 × 244,387.94
  4. Step 4: Simplify right side
    425,664.32x = 143,557,520,083.20
  5. Step 5: Solve for x
    x = 143,557,520,083.20/425,664.32
  6. Step 6: Final answer
    x = 337,255.24

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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.