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Finding the Fourth Proportional to 425,790.76, 587,644.50 and 244,559.40

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Solution

The fourth proportional to 425,790.76, 587,644.50 and 244,559.40 is: 337,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,790.76 : 587,644.50 = 244,559.40 : x
  2. Step 2: Convert to fraction form
    425,790.76/587,644.50 = 244,559.40/x
  3. Step 3: Cross multiply
    425,790.76x = 587,644.50 × 244,559.40
  4. Step 4: Simplify right side
    425,790.76x = 143,713,986,333.30
  5. Step 5: Solve for x
    x = 143,713,986,333.30/425,790.76
  6. Step 6: Final answer
    x = 337,522.56

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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.