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Finding the Fourth Proportional to 276,404.58, 413,836.92 and 141,175.80

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Solution

The fourth proportional to 276,404.58, 413,836.92 and 141,175.80 is: 211,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,404.58 : 413,836.92 = 141,175.80 : x
  2. Step 2: Convert to fraction form
    276,404.58/413,836.92 = 141,175.80/x
  3. Step 3: Cross multiply
    276,404.58x = 413,836.92 × 141,175.80
  4. Step 4: Simplify right side
    276,404.58x = 58,423,758,250.54
  5. Step 5: Solve for x
    x = 58,423,758,250.54/276,404.58
  6. Step 6: Final answer
    x = 211,370.44

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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.