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Finding the Fourth Proportional to 369,105.21, 552,407.67 and 227,040.41

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Solution

The fourth proportional to 369,105.21, 552,407.67 and 227,040.41 is: 339,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,105.21 : 552,407.67 = 227,040.41 : x
  2. Step 2: Convert to fraction form
    369,105.21/552,407.67 = 227,040.41/x
  3. Step 3: Cross multiply
    369,105.21x = 552,407.67 × 227,040.41
  4. Step 4: Simplify right side
    369,105.21x = 125,418,865,264.96
  5. Step 5: Solve for x
    x = 125,418,865,264.96/369,105.21
  6. Step 6: Final answer
    x = 339,791.64

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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.