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Finding the Fourth Proportional to 552,964.30, 763,215.19 and 361,866.97

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Solution

The fourth proportional to 552,964.30, 763,215.19 and 361,866.97 is: 499,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,964.30 : 763,215.19 = 361,866.97 : x
  2. Step 2: Convert to fraction form
    552,964.30/763,215.19 = 361,866.97/x
  3. Step 3: Cross multiply
    552,964.30x = 763,215.19 × 361,866.97
  4. Step 4: Simplify right side
    552,964.30x = 276,182,368,263.27
  5. Step 5: Solve for x
    x = 276,182,368,263.27/552,964.30
  6. Step 6: Final answer
    x = 499,457.86

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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.