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Finding the Fourth Proportional to 474.11, 654.90 and 364.94

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Solution

The fourth proportional to 474.11, 654.90 and 364.94 is: 504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.11 : 654.90 = 364.94 : x
  2. Step 2: Convert to fraction form
    474.11/654.90 = 364.94/x
  3. Step 3: Cross multiply
    474.11x = 654.90 × 364.94
  4. Step 4: Simplify right side
    474.11x = 238,999.21
  5. Step 5: Solve for x
    x = 238,999.21/474.11
  6. Step 6: Final answer
    x = 504.10

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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.