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Finding the Fourth Proportional to 269,179.20, 403,768.80 and 174,700.80

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Solution

The fourth proportional to 269,179.20, 403,768.80 and 174,700.80 is: 262,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,179.20 : 403,768.80 = 174,700.80 : x
  2. Step 2: Convert to fraction form
    269,179.20/403,768.80 = 174,700.80/x
  3. Step 3: Cross multiply
    269,179.20x = 403,768.80 × 174,700.80
  4. Step 4: Simplify right side
    269,179.20x = 70,538,732,375.04
  5. Step 5: Solve for x
    x = 70,538,732,375.04/269,179.20
  6. Step 6: Final answer
    x = 262,051.20

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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.