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Finding the Fourth Proportional to 451,817.11, 623,498.34 and 250,613.11

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Solution

The fourth proportional to 451,817.11, 623,498.34 and 250,613.11 is: 345,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,817.11 : 623,498.34 = 250,613.11 : x
  2. Step 2: Convert to fraction form
    451,817.11/623,498.34 = 250,613.11/x
  3. Step 3: Cross multiply
    451,817.11x = 623,498.34 × 250,613.11
  4. Step 4: Simplify right side
    451,817.11x = 156,256,858,067.24
  5. Step 5: Solve for x
    x = 156,256,858,067.24/451,817.11
  6. Step 6: Final answer
    x = 345,840.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.