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Finding the Fourth Proportional to 460.74, 635.78 and 264.26

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Solution

The fourth proportional to 460.74, 635.78 and 264.26 is: 364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.74 : 635.78 = 264.26 : x
  2. Step 2: Convert to fraction form
    460.74/635.78 = 264.26/x
  3. Step 3: Cross multiply
    460.74x = 635.78 × 264.26
  4. Step 4: Simplify right side
    460.74x = 168,011.22
  5. Step 5: Solve for x
    x = 168,011.22/460.74
  6. Step 6: Final answer
    x = 364.66

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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.