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Finding the Fourth Proportional to 297,679.60, 410,790.68 and 170,347.04

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Solution

The fourth proportional to 297,679.60, 410,790.68 and 170,347.04 is: 235,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,679.60 : 410,790.68 = 170,347.04 : x
  2. Step 2: Convert to fraction form
    297,679.60/410,790.68 = 170,347.04/x
  3. Step 3: Cross multiply
    297,679.60x = 410,790.68 × 170,347.04
  4. Step 4: Simplify right side
    297,679.60x = 69,976,976,397.59
  5. Step 5: Solve for x
    x = 69,976,976,397.59/297,679.60
  6. Step 6: Final answer
    x = 235,074.81

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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.