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Finding the Fourth Proportional to 460.81, 636.05 and 264.34

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Solution

The fourth proportional to 460.81, 636.05 and 264.34 is: 364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.81 : 636.05 = 264.34 : x
  2. Step 2: Convert to fraction form
    460.81/636.05 = 264.34/x
  3. Step 3: Cross multiply
    460.81x = 636.05 × 264.34
  4. Step 4: Simplify right side
    460.81x = 168,133.46
  5. Step 5: Solve for x
    x = 168,133.46/460.81
  6. Step 6: Final answer
    x = 364.87

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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.