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Finding the Fourth Proportional to 474.04, 710.82 and 185.44

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Solution

The fourth proportional to 474.04, 710.82 and 185.44 is: 278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.04 : 710.82 = 185.44 : x
  2. Step 2: Convert to fraction form
    474.04/710.82 = 185.44/x
  3. Step 3: Cross multiply
    474.04x = 710.82 × 185.44
  4. Step 4: Simplify right side
    474.04x = 131,814.46
  5. Step 5: Solve for x
    x = 131,814.46/474.04
  6. Step 6: Final answer
    x = 278.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.