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Finding the Fourth Proportional to 552,578.55, 762,279.24 and 322,985.84

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Solution

The fourth proportional to 552,578.55, 762,279.24 and 322,985.84 is: 445,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,578.55 : 762,279.24 = 322,985.84 : x
  2. Step 2: Convert to fraction form
    552,578.55/762,279.24 = 322,985.84/x
  3. Step 3: Cross multiply
    552,578.55x = 762,279.24 × 322,985.84
  4. Step 4: Simplify right side
    552,578.55x = 246,205,396,228.97
  5. Step 5: Solve for x
    x = 246,205,396,228.97/552,578.55
  6. Step 6: Final answer
    x = 445,557.28

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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.