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Finding the Fourth Proportional to 341,081.92, 511,977.72 and 251,226.10

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Solution

The fourth proportional to 341,081.92, 511,977.72 and 251,226.10 is: 377,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,081.92 : 511,977.72 = 251,226.10 : x
  2. Step 2: Convert to fraction form
    341,081.92/511,977.72 = 251,226.10/x
  3. Step 3: Cross multiply
    341,081.92x = 511,977.72 × 251,226.10
  4. Step 4: Simplify right side
    341,081.92x = 128,622,165,882.49
  5. Step 5: Solve for x
    x = 128,622,165,882.49/341,081.92
  6. Step 6: Final answer
    x = 377,100.51

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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.