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Finding the Fourth Proportional to 295,374.80, 443,062.20 and 170,958.80

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Solution

The fourth proportional to 295,374.80, 443,062.20 and 170,958.80 is: 256,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,374.80 : 443,062.20 = 170,958.80 : x
  2. Step 2: Convert to fraction form
    295,374.80/443,062.20 = 170,958.80/x
  3. Step 3: Cross multiply
    295,374.80x = 443,062.20 × 170,958.80
  4. Step 4: Simplify right side
    295,374.80x = 75,745,382,037.36
  5. Step 5: Solve for x
    x = 75,745,382,037.36/295,374.80
  6. Step 6: Final answer
    x = 256,438.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.