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Finding the Fourth Proportional to 587,224.67, 810,356.25 and 345,522.89

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Solution

The fourth proportional to 587,224.67, 810,356.25 and 345,522.89 is: 476,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,224.67 : 810,356.25 = 345,522.89 : x
  2. Step 2: Convert to fraction form
    587,224.67/810,356.25 = 345,522.89/x
  3. Step 3: Cross multiply
    587,224.67x = 810,356.25 × 345,522.89
  4. Step 4: Simplify right side
    587,224.67x = 279,996,629,377.78
  5. Step 5: Solve for x
    x = 279,996,629,377.78/587,224.67
  6. Step 6: Final answer
    x = 476,813.47

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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.