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Finding the Fourth Proportional to 439,604.92, 658,959 and 173,257.48

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Solution

The fourth proportional to 439,604.92, 658,959 and 173,257.48 is: 259,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,604.92 : 658,959 = 173,257.48 : x
  2. Step 2: Convert to fraction form
    439,604.92/658,959 = 173,257.48/x
  3. Step 3: Cross multiply
    439,604.92x = 658,959 × 173,257.48
  4. Step 4: Simplify right side
    439,604.92x = 114,169,575,763.32
  5. Step 5: Solve for x
    x = 114,169,575,763.32/439,604.92
  6. Step 6: Final answer
    x = 259,709.50

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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.