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Finding the Fourth Proportional to 276,053.80, 413,043.90 and 251,170.60

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Solution

The fourth proportional to 276,053.80, 413,043.90 and 251,170.60 is: 375,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,053.80 : 413,043.90 = 251,170.60 : x
  2. Step 2: Convert to fraction form
    276,053.80/413,043.90 = 251,170.60/x
  3. Step 3: Cross multiply
    276,053.80x = 413,043.90 × 251,170.60
  4. Step 4: Simplify right side
    276,053.80x = 103,744,484,189.34
  5. Step 5: Solve for x
    x = 103,744,484,189.34/276,053.80
  6. Step 6: Final answer
    x = 375,812.56

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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.