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Finding the Fourth Proportional to 299,444.60, 449,166.90 and 277,793.30

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Solution

The fourth proportional to 299,444.60, 449,166.90 and 277,793.30 is: 416,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,444.60 : 449,166.90 = 277,793.30 : x
  2. Step 2: Convert to fraction form
    299,444.60/449,166.90 = 277,793.30/x
  3. Step 3: Cross multiply
    299,444.60x = 449,166.90 × 277,793.30
  4. Step 4: Simplify right side
    299,444.60x = 124,775,555,401.77
  5. Step 5: Solve for x
    x = 124,775,555,401.77/299,444.60
  6. Step 6: Final answer
    x = 416,689.95

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1.5x scale

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.