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Finding the Fourth Proportional to 332,486.70, 498,730.05 and 192,081.30

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Solution

The fourth proportional to 332,486.70, 498,730.05 and 192,081.30 is: 288,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,486.70 : 498,730.05 = 192,081.30 : x
  2. Step 2: Convert to fraction form
    332,486.70/498,730.05 = 192,081.30/x
  3. Step 3: Cross multiply
    332,486.70x = 498,730.05 × 192,081.30
  4. Step 4: Simplify right side
    332,486.70x = 95,796,716,353.07
  5. Step 5: Solve for x
    x = 95,796,716,353.07/332,486.70
  6. Step 6: Final answer
    x = 288,121.95

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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.