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Finding the Fourth Proportional to 276,029.30, 413,007.15 and 251,146.10

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Solution

The fourth proportional to 276,029.30, 413,007.15 and 251,146.10 is: 375,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,029.30 : 413,007.15 = 251,146.10 : x
  2. Step 2: Convert to fraction form
    276,029.30/413,007.15 = 251,146.10/x
  3. Step 3: Cross multiply
    276,029.30x = 413,007.15 × 251,146.10
  4. Step 4: Simplify right side
    276,029.30x = 103,725,134,994.62
  5. Step 5: Solve for x
    x = 103,725,134,994.62/276,029.30
  6. Step 6: Final answer
    x = 375,775.81

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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.