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Finding the Fourth Proportional to 552,965.30, 763,216.57 and 361,867.97

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Solution

The fourth proportional to 552,965.30, 763,216.57 and 361,867.97 is: 499,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,965.30 : 763,216.57 = 361,867.97 : x
  2. Step 2: Convert to fraction form
    552,965.30/763,216.57 = 361,867.97/x
  3. Step 3: Cross multiply
    552,965.30x = 763,216.57 × 361,867.97
  4. Step 4: Simplify right side
    552,965.30x = 276,183,630,856.26
  5. Step 5: Solve for x
    x = 276,183,630,856.26/552,965.30
  6. Step 6: Final answer
    x = 499,459.24

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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.