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Finding the Fourth Proportional to 2,267.91, 3,401.87 and 624.71

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Solution

The fourth proportional to 2,267.91, 3,401.87 and 624.71 is: 937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.91 : 3,401.87 = 624.71 : x
  2. Step 2: Convert to fraction form
    2,267.91/3,401.87 = 624.71/x
  3. Step 3: Cross multiply
    2,267.91x = 3,401.87 × 624.71
  4. Step 4: Simplify right side
    2,267.91x = 2,125,182.21
  5. Step 5: Solve for x
    x = 2,125,182.21/2,267.91
  6. Step 6: Final answer
    x = 937.07

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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.