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Finding the Fourth Proportional to 354,736.49, 489,546.73 and 193,601.88

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Solution

The fourth proportional to 354,736.49, 489,546.73 and 193,601.88 is: 267,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,736.49 : 489,546.73 = 193,601.88 : x
  2. Step 2: Convert to fraction form
    354,736.49/489,546.73 = 193,601.88/x
  3. Step 3: Cross multiply
    354,736.49x = 489,546.73 × 193,601.88
  4. Step 4: Simplify right side
    354,736.49x = 94,777,166,307.84
  5. Step 5: Solve for x
    x = 94,777,166,307.84/354,736.49
  6. Step 6: Final answer
    x = 267,176.25

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1.5x scale

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.