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Finding the Fourth Proportional to 269,069.40, 403,604.10 and 169,536.60

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Solution

The fourth proportional to 269,069.40, 403,604.10 and 169,536.60 is: 254,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,069.40 : 403,604.10 = 169,536.60 : x
  2. Step 2: Convert to fraction form
    269,069.40/403,604.10 = 169,536.60/x
  3. Step 3: Cross multiply
    269,069.40x = 403,604.10 × 169,536.60
  4. Step 4: Simplify right side
    269,069.40x = 68,425,666,860.06
  5. Step 5: Solve for x
    x = 68,425,666,860.06/269,069.40
  6. Step 6: Final answer
    x = 254,304.90

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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.