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Finding the Fourth Proportional to 361,318.14, 541,820.04 and 192,801.18

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Solution

The fourth proportional to 361,318.14, 541,820.04 and 192,801.18 is: 289,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,318.14 : 541,820.04 = 192,801.18 : x
  2. Step 2: Convert to fraction form
    361,318.14/541,820.04 = 192,801.18/x
  3. Step 3: Cross multiply
    361,318.14x = 541,820.04 × 192,801.18
  4. Step 4: Simplify right side
    361,318.14x = 104,463,543,059.65
  5. Step 5: Solve for x
    x = 104,463,543,059.65/361,318.14
  6. Step 6: Final answer
    x = 289,117.90

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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.