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Finding the Fourth Proportional to 293,046.54, 439,246.89 and 191,722.83

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Solution

The fourth proportional to 293,046.54, 439,246.89 and 191,722.83 is: 287,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,046.54 : 439,246.89 = 191,722.83 : x
  2. Step 2: Convert to fraction form
    293,046.54/439,246.89 = 191,722.83/x
  3. Step 3: Cross multiply
    293,046.54x = 439,246.89 × 191,722.83
  4. Step 4: Simplify right side
    293,046.54x = 84,213,656,819.50
  5. Step 5: Solve for x
    x = 84,213,656,819.50/293,046.54
  6. Step 6: Final answer
    x = 287,372.98

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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.