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Finding the Fourth Proportional to 587,233.42, 810,343.73 and 345,469.28

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Solution

The fourth proportional to 587,233.42, 810,343.73 and 345,469.28 is: 476,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,233.42 : 810,343.73 = 345,469.28 : x
  2. Step 2: Convert to fraction form
    587,233.42/810,343.73 = 345,469.28/x
  3. Step 3: Cross multiply
    587,233.42x = 810,343.73 × 345,469.28
  4. Step 4: Simplify right side
    587,233.42x = 279,948,861,767.57
  5. Step 5: Solve for x
    x = 279,948,861,767.57/587,233.42
  6. Step 6: Final answer
    x = 476,725.02

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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.