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Finding the Fourth Proportional to 368.12, 551.78 and 296.04

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Solution

The fourth proportional to 368.12, 551.78 and 296.04 is: 443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.12 : 551.78 = 296.04 : x
  2. Step 2: Convert to fraction form
    368.12/551.78 = 296.04/x
  3. Step 3: Cross multiply
    368.12x = 551.78 × 296.04
  4. Step 4: Simplify right side
    368.12x = 163,348.95
  5. Step 5: Solve for x
    x = 163,348.95/368.12
  6. Step 6: Final answer
    x = 443.74

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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.