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Finding the Fourth Proportional to 301.32, 415.69 and 176.94

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Solution

The fourth proportional to 301.32, 415.69 and 176.94 is: 244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.32 : 415.69 = 176.94 : x
  2. Step 2: Convert to fraction form
    301.32/415.69 = 176.94/x
  3. Step 3: Cross multiply
    301.32x = 415.69 × 176.94
  4. Step 4: Simplify right side
    301.32x = 73,552.19
  5. Step 5: Solve for x
    x = 73,552.19/301.32
  6. Step 6: Final answer
    x = 244.10

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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.