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Finding the Fourth Proportional to 271,507.10, 407,260.65 and 250,511.90

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Solution

The fourth proportional to 271,507.10, 407,260.65 and 250,511.90 is: 375,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,507.10 : 407,260.65 = 250,511.90 : x
  2. Step 2: Convert to fraction form
    271,507.10/407,260.65 = 250,511.90/x
  3. Step 3: Cross multiply
    271,507.10x = 407,260.65 × 250,511.90
  4. Step 4: Simplify right side
    271,507.10x = 102,023,639,226.74
  5. Step 5: Solve for x
    x = 102,023,639,226.74/271,507.10
  6. Step 6: Final answer
    x = 375,767.85

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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.