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Finding the Fourth Proportional to 369,540.48, 552,283.72 and 269,910.48

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Solution

The fourth proportional to 369,540.48, 552,283.72 and 269,910.48 is: 403,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,540.48 : 552,283.72 = 269,910.48 : x
  2. Step 2: Convert to fraction form
    369,540.48/552,283.72 = 269,910.48/x
  3. Step 3: Cross multiply
    369,540.48x = 552,283.72 × 269,910.48
  4. Step 4: Simplify right side
    369,540.48x = 149,067,163,961.39
  5. Step 5: Solve for x
    x = 149,067,163,961.39/369,540.48
  6. Step 6: Final answer
    x = 403,385.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.