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Finding the Fourth Proportional to 466,722.81, 644,085.68 and 275,735.75

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Solution

The fourth proportional to 466,722.81, 644,085.68 and 275,735.75 is: 380,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,722.81 : 644,085.68 = 275,735.75 : x
  2. Step 2: Convert to fraction form
    466,722.81/644,085.68 = 275,735.75/x
  3. Step 3: Cross multiply
    466,722.81x = 644,085.68 × 275,735.75
  4. Step 4: Simplify right side
    466,722.81x = 177,597,443,439.95
  5. Step 5: Solve for x
    x = 177,597,443,439.95/466,722.81
  6. Step 6: Final answer
    x = 380,520.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.