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Finding the Fourth Proportional to 299,872.59, 449,355.06 and 131,298.63

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Solution

The fourth proportional to 299,872.59, 449,355.06 and 131,298.63 is: 196,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,872.59 : 449,355.06 = 131,298.63 : x
  2. Step 2: Convert to fraction form
    299,872.59/449,355.06 = 131,298.63/x
  3. Step 3: Cross multiply
    299,872.59x = 449,355.06 × 131,298.63
  4. Step 4: Simplify right side
    299,872.59x = 58,999,703,761.57
  5. Step 5: Solve for x
    x = 58,999,703,761.57/299,872.59
  6. Step 6: Final answer
    x = 196,749.24

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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.