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Finding the Fourth Proportional to 626.35, 864.37 and 364.37

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Solution

The fourth proportional to 626.35, 864.37 and 364.37 is: 502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.35 : 864.37 = 364.37 : x
  2. Step 2: Convert to fraction form
    626.35/864.37 = 364.37/x
  3. Step 3: Cross multiply
    626.35x = 864.37 × 364.37
  4. Step 4: Simplify right side
    626.35x = 314,944.35
  5. Step 5: Solve for x
    x = 314,944.35/626.35
  6. Step 6: Final answer
    x = 502.82

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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.