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Finding the Fourth Proportional to 353,591.70, 487,956.56 and 192,447.93

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Solution

The fourth proportional to 353,591.70, 487,956.56 and 192,447.93 is: 265,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,591.70 : 487,956.56 = 192,447.93 : x
  2. Step 2: Convert to fraction form
    353,591.70/487,956.56 = 192,447.93/x
  3. Step 3: Cross multiply
    353,591.70x = 487,956.56 × 192,447.93
  4. Step 4: Simplify right side
    353,591.70x = 93,906,226,652.38
  5. Step 5: Solve for x
    x = 93,906,226,652.38/353,591.70
  6. Step 6: Final answer
    x = 265,578.14

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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.