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Finding the Fourth Proportional to 297,279.91, 410,129.49 and 169,887.16

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Solution

The fourth proportional to 297,279.91, 410,129.49 and 169,887.16 is: 234,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,279.91 : 410,129.49 = 169,887.16 : x
  2. Step 2: Convert to fraction form
    297,279.91/410,129.49 = 169,887.16/x
  3. Step 3: Cross multiply
    297,279.91x = 410,129.49 × 169,887.16
  4. Step 4: Simplify right side
    297,279.91x = 69,675,734,288.35
  5. Step 5: Solve for x
    x = 69,675,734,288.35/297,279.91
  6. Step 6: Final answer
    x = 234,377.54

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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.