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Finding the Fourth Proportional to 271,886.10, 407,829.15 and 250,890.90

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Solution

The fourth proportional to 271,886.10, 407,829.15 and 250,890.90 is: 376,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,886.10 : 407,829.15 = 250,890.90 : x
  2. Step 2: Convert to fraction form
    271,886.10/407,829.15 = 250,890.90/x
  3. Step 3: Cross multiply
    271,886.10x = 407,829.15 × 250,890.90
  4. Step 4: Simplify right side
    271,886.10x = 102,320,622,489.74
  5. Step 5: Solve for x
    x = 102,320,622,489.74/271,886.10
  6. Step 6: Final answer
    x = 376,336.35

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Similar ratio
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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.