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Finding the Fourth Proportional to 269,695.20, 403,621.20 and 236,517.60

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Solution

The fourth proportional to 269,695.20, 403,621.20 and 236,517.60 is: 353,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,695.20 : 403,621.20 = 236,517.60 : x
  2. Step 2: Convert to fraction form
    269,695.20/403,621.20 = 236,517.60/x
  3. Step 3: Cross multiply
    269,695.20x = 403,621.20 × 236,517.60
  4. Step 4: Simplify right side
    269,695.20x = 95,463,517,533.12
  5. Step 5: Solve for x
    x = 95,463,517,533.12/269,695.20
  6. Step 6: Final answer
    x = 353,968.17

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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.