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Finding the Fourth Proportional to 271,778.88, 375,057.46 and 158,579.76

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Solution

The fourth proportional to 271,778.88, 375,057.46 and 158,579.76 is: 218,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,778.88 : 375,057.46 = 158,579.76 : x
  2. Step 2: Convert to fraction form
    271,778.88/375,057.46 = 158,579.76/x
  3. Step 3: Cross multiply
    271,778.88x = 375,057.46 × 158,579.76
  4. Step 4: Simplify right side
    271,778.88x = 59,476,521,993.01
  5. Step 5: Solve for x
    x = 59,476,521,993.01/271,778.88
  6. Step 6: Final answer
    x = 218,841.59

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1.5x scale

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.