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Finding the Fourth Proportional to 508,246.97, 701,464.79 and 281,965.37

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Solution

The fourth proportional to 508,246.97, 701,464.79 and 281,965.37 is: 389,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,246.97 : 701,464.79 = 281,965.37 : x
  2. Step 2: Convert to fraction form
    508,246.97/701,464.79 = 281,965.37/x
  3. Step 3: Cross multiply
    508,246.97x = 701,464.79 × 281,965.37
  4. Step 4: Simplify right side
    508,246.97x = 197,788,776,251.91
  5. Step 5: Solve for x
    x = 197,788,776,251.91/508,246.97
  6. Step 6: Final answer
    x = 389,158.79

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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.