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Finding the Fourth Proportional to 353,591.94, 487,955.41 and 192,446.97

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Solution

The fourth proportional to 353,591.94, 487,955.41 and 192,446.97 is: 265,576.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,591.94 : 487,955.41 = 192,446.97 : x
  2. Step 2: Convert to fraction form
    353,591.94/487,955.41 = 192,446.97/x
  3. Step 3: Cross multiply
    353,591.94x = 487,955.41 × 192,446.97
  4. Step 4: Simplify right side
    353,591.94x = 93,905,540,149.61
  5. Step 5: Solve for x
    x = 93,905,540,149.61/353,591.94
  6. Step 6: Final answer
    x = 265,576.02

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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.