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Finding the Fourth Proportional to 354,058.89, 488,595.11 and 192,915.27

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Solution

The fourth proportional to 354,058.89, 488,595.11 and 192,915.27 is: 266,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,058.89 : 488,595.11 = 192,915.27 : x
  2. Step 2: Convert to fraction form
    354,058.89/488,595.11 = 192,915.27/x
  3. Step 3: Cross multiply
    354,058.89x = 488,595.11 × 192,915.27
  4. Step 4: Simplify right side
    354,058.89x = 94,257,456,601.75
  5. Step 5: Solve for x
    x = 94,257,456,601.75/354,058.89
  6. Step 6: Final answer
    x = 266,219.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.