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Finding the Fourth Proportional to 552,767.20, 829,588.20 and 215,969.20

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Solution

The fourth proportional to 552,767.20, 829,588.20 and 215,969.20 is: 324,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,767.20 : 829,588.20 = 215,969.20 : x
  2. Step 2: Convert to fraction form
    552,767.20/829,588.20 = 215,969.20/x
  3. Step 3: Cross multiply
    552,767.20x = 829,588.20 × 215,969.20
  4. Step 4: Simplify right side
    552,767.20x = 179,165,499,883.44
  5. Step 5: Solve for x
    x = 179,165,499,883.44/552,767.20
  6. Step 6: Final answer
    x = 324,124.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.