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Finding the Fourth Proportional to 297,036.80, 409,932.52 and 169,709.66

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Solution

The fourth proportional to 297,036.80, 409,932.52 and 169,709.66 is: 234,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,036.80 : 409,932.52 = 169,709.66 : x
  2. Step 2: Convert to fraction form
    297,036.80/409,932.52 = 169,709.66/x
  3. Step 3: Cross multiply
    297,036.80x = 409,932.52 × 169,709.66
  4. Step 4: Simplify right side
    297,036.80x = 69,569,508,592.14
  5. Step 5: Solve for x
    x = 69,569,508,592.14/297,036.80
  6. Step 6: Final answer
    x = 234,211.75

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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.