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Finding the Fourth Proportional to 368.44, 551.94 and 176.20

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Solution

The fourth proportional to 368.44, 551.94 and 176.20 is: 263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.44 : 551.94 = 176.20 : x
  2. Step 2: Convert to fraction form
    368.44/551.94 = 176.20/x
  3. Step 3: Cross multiply
    368.44x = 551.94 × 176.20
  4. Step 4: Simplify right side
    368.44x = 97,251.83
  5. Step 5: Solve for x
    x = 97,251.83/368.44
  6. Step 6: Final answer
    x = 263.96

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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.