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Finding the Fourth Proportional to 474.02, 654.12 and 264.22

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Solution

The fourth proportional to 474.02, 654.12 and 264.22 is: 364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.02 : 654.12 = 264.22 : x
  2. Step 2: Convert to fraction form
    474.02/654.12 = 264.22/x
  3. Step 3: Cross multiply
    474.02x = 654.12 × 264.22
  4. Step 4: Simplify right side
    474.02x = 172,830.69
  5. Step 5: Solve for x
    x = 172,830.69/474.02
  6. Step 6: Final answer
    x = 364.61

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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.