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Finding the Fourth Proportional to 439,219.08, 658,873.44 and 119,376

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Solution

The fourth proportional to 439,219.08, 658,873.44 and 119,376 is: 179,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,219.08 : 658,873.44 = 119,376 : x
  2. Step 2: Convert to fraction form
    439,219.08/658,873.44 = 119,376/x
  3. Step 3: Cross multiply
    439,219.08x = 658,873.44 × 119,376
  4. Step 4: Simplify right side
    439,219.08x = 78,653,675,773.44
  5. Step 5: Solve for x
    x = 78,653,675,773.44/439,219.08
  6. Step 6: Final answer
    x = 179,076.18

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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.