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Finding the Fourth Proportional to 301.17, 415.59 and 176.84

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Solution

The fourth proportional to 301.17, 415.59 and 176.84 is: 244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.17 : 415.59 = 176.84 : x
  2. Step 2: Convert to fraction form
    301.17/415.59 = 176.84/x
  3. Step 3: Cross multiply
    301.17x = 415.59 × 176.84
  4. Step 4: Simplify right side
    301.17x = 73,492.94
  5. Step 5: Solve for x
    x = 73,492.94/301.17
  6. Step 6: Final answer
    x = 244.02

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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.