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Finding the Fourth Proportional to 474.38, 653.94 and 334.04

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Solution

The fourth proportional to 474.38, 653.94 and 334.04 is: 460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.38 : 653.94 = 334.04 : x
  2. Step 2: Convert to fraction form
    474.38/653.94 = 334.04/x
  3. Step 3: Cross multiply
    474.38x = 653.94 × 334.04
  4. Step 4: Simplify right side
    474.38x = 218,442.12
  5. Step 5: Solve for x
    x = 218,442.12/474.38
  6. Step 6: Final answer
    x = 460.48

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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.