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Finding the Fourth Proportional to 296.04, 443.64 and 193.17

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Solution

The fourth proportional to 296.04, 443.64 and 193.17 is: 289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.04 : 443.64 = 193.17 : x
  2. Step 2: Convert to fraction form
    296.04/443.64 = 193.17/x
  3. Step 3: Cross multiply
    296.04x = 443.64 × 193.17
  4. Step 4: Simplify right side
    296.04x = 85,697.94
  5. Step 5: Solve for x
    x = 85,697.94/296.04
  6. Step 6: Final answer
    x = 289.48

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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.