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Finding the Fourth Proportional to 297,708.09, 410,855.54 and 170,380.95

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Solution

The fourth proportional to 297,708.09, 410,855.54 and 170,380.95 is: 235,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,708.09 : 410,855.54 = 170,380.95 : x
  2. Step 2: Convert to fraction form
    297,708.09/410,855.54 = 170,380.95/x
  3. Step 3: Cross multiply
    297,708.09x = 410,855.54 × 170,380.95
  4. Step 4: Simplify right side
    297,708.09x = 70,001,956,366.06
  5. Step 5: Solve for x
    x = 70,001,956,366.06/297,708.09
  6. Step 6: Final answer
    x = 235,136.22

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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.