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Finding the Fourth Proportional to 474.16, 654.32 and 264.32

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Solution

The fourth proportional to 474.16, 654.32 and 264.32 is: 364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.16 : 654.32 = 264.32 : x
  2. Step 2: Convert to fraction form
    474.16/654.32 = 264.32/x
  3. Step 3: Cross multiply
    474.16x = 654.32 × 264.32
  4. Step 4: Simplify right side
    474.16x = 172,949.86
  5. Step 5: Solve for x
    x = 172,949.86/474.16
  6. Step 6: Final answer
    x = 364.75

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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.