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Finding the Fourth Proportional to 250,951.91, 374,622.74 and 215,026.38

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Solution

The fourth proportional to 250,951.91, 374,622.74 and 215,026.38 is: 320,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,951.91 : 374,622.74 = 215,026.38 : x
  2. Step 2: Convert to fraction form
    250,951.91/374,622.74 = 215,026.38/x
  3. Step 3: Cross multiply
    250,951.91x = 374,622.74 × 215,026.38
  4. Step 4: Simplify right side
    250,951.91x = 80,553,771,379.10
  5. Step 5: Solve for x
    x = 80,553,771,379.10/250,951.91
  6. Step 6: Final answer
    x = 320,992.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.