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Finding the Fourth Proportional to 425,580.76, 587,305.40 and 234,601

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Solution

The fourth proportional to 425,580.76, 587,305.40 and 234,601 is: 323,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,580.76 : 587,305.40 = 234,601 : x
  2. Step 2: Convert to fraction form
    425,580.76/587,305.40 = 234,601/x
  3. Step 3: Cross multiply
    425,580.76x = 587,305.40 × 234,601
  4. Step 4: Simplify right side
    425,580.76x = 137,782,434,145.40
  5. Step 5: Solve for x
    x = 137,782,434,145.40/425,580.76
  6. Step 6: Final answer
    x = 323,751.56

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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.