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Finding the Fourth Proportional to 297,702.66, 410,739.16 and 168,620.62

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Solution

The fourth proportional to 297,702.66, 410,739.16 and 168,620.62 is: 232,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,702.66 : 410,739.16 = 168,620.62 : x
  2. Step 2: Convert to fraction form
    297,702.66/410,739.16 = 168,620.62/x
  3. Step 3: Cross multiply
    297,702.66x = 410,739.16 × 168,620.62
  4. Step 4: Simplify right side
    297,702.66x = 69,259,093,306.75
  5. Step 5: Solve for x
    x = 69,259,093,306.75/297,702.66
  6. Step 6: Final answer
    x = 232,645.19

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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.