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Finding the Fourth Proportional to 244.10, 364.05 and 207.77

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Solution

The fourth proportional to 244.10, 364.05 and 207.77 is: 309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.10 : 364.05 = 207.77 : x
  2. Step 2: Convert to fraction form
    244.10/364.05 = 207.77/x
  3. Step 3: Cross multiply
    244.10x = 364.05 × 207.77
  4. Step 4: Simplify right side
    244.10x = 75,638.67
  5. Step 5: Solve for x
    x = 75,638.67/244.10
  6. Step 6: Final answer
    x = 309.87

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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.