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Finding the Fourth Proportional to 363,496.79, 545,084.80 and 194,966.57

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Solution

The fourth proportional to 363,496.79, 545,084.80 and 194,966.57 is: 292,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,496.79 : 545,084.80 = 194,966.57 : x
  2. Step 2: Convert to fraction form
    363,496.79/545,084.80 = 194,966.57/x
  3. Step 3: Cross multiply
    363,496.79x = 545,084.80 × 194,966.57
  4. Step 4: Simplify right side
    363,496.79x = 106,273,313,815.14
  5. Step 5: Solve for x
    x = 106,273,313,815.14/363,496.79
  6. Step 6: Final answer
    x = 292,363.83

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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.