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Finding the Fourth Proportional to 367,279.32, 551,214.24 and 189,838.32

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Solution

The fourth proportional to 367,279.32, 551,214.24 and 189,838.32 is: 284,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,279.32 : 551,214.24 = 189,838.32 : x
  2. Step 2: Convert to fraction form
    367,279.32/551,214.24 = 189,838.32/x
  3. Step 3: Cross multiply
    367,279.32x = 551,214.24 × 189,838.32
  4. Step 4: Simplify right side
    367,279.32x = 104,641,585,281.68
  5. Step 5: Solve for x
    x = 104,641,585,281.68/367,279.32
  6. Step 6: Final answer
    x = 284,910.09

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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.