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Finding the Fourth Proportional to 466,737.81, 644,106.38 and 275,750.75

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Solution

The fourth proportional to 466,737.81, 644,106.38 and 275,750.75 is: 380,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,737.81 : 644,106.38 = 275,750.75 : x
  2. Step 2: Convert to fraction form
    466,737.81/644,106.38 = 275,750.75/x
  3. Step 3: Cross multiply
    466,737.81x = 644,106.38 × 275,750.75
  4. Step 4: Simplify right side
    466,737.81x = 177,612,812,765.50
  5. Step 5: Solve for x
    x = 177,612,812,765.50/466,737.81
  6. Step 6: Final answer
    x = 380,540.87

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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.