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Finding the Fourth Proportional to 299,635.46, 449,520.23 and 112,648.58

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Solution

The fourth proportional to 299,635.46, 449,520.23 and 112,648.58 is: 168,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,635.46 : 449,520.23 = 112,648.58 : x
  2. Step 2: Convert to fraction form
    299,635.46/449,520.23 = 112,648.58/x
  3. Step 3: Cross multiply
    299,635.46x = 449,520.23 × 112,648.58
  4. Step 4: Simplify right side
    299,635.46x = 50,637,815,590.77
  5. Step 5: Solve for x
    x = 50,637,815,590.77/299,635.46
  6. Step 6: Final answer
    x = 168,998.07

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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.