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Finding the Fourth Proportional to 269,559.20, 404,338.80 and 175,080.80

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Solution

The fourth proportional to 269,559.20, 404,338.80 and 175,080.80 is: 262,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,559.20 : 404,338.80 = 175,080.80 : x
  2. Step 2: Convert to fraction form
    269,559.20/404,338.80 = 175,080.80/x
  3. Step 3: Cross multiply
    269,559.20x = 404,338.80 × 175,080.80
  4. Step 4: Simplify right side
    269,559.20x = 70,791,960,575.04
  5. Step 5: Solve for x
    x = 70,791,960,575.04/269,559.20
  6. Step 6: Final answer
    x = 262,621.20

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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.