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Finding the Fourth Proportional to 474.32, 654.92 and 336.08

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Solution

The fourth proportional to 474.32, 654.92 and 336.08 is: 464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.32 : 654.92 = 336.08 : x
  2. Step 2: Convert to fraction form
    474.32/654.92 = 336.08/x
  3. Step 3: Cross multiply
    474.32x = 654.92 × 336.08
  4. Step 4: Simplify right side
    474.32x = 220,105.51
  5. Step 5: Solve for x
    x = 220,105.51/474.32
  6. Step 6: Final answer
    x = 464.04

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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.