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Finding the Fourth Proportional to 301.49, 416.04 and 175.48

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Solution

The fourth proportional to 301.49, 416.04 and 175.48 is: 242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.49 : 416.04 = 175.48 : x
  2. Step 2: Convert to fraction form
    301.49/416.04 = 175.48/x
  3. Step 3: Cross multiply
    301.49x = 416.04 × 175.48
  4. Step 4: Simplify right side
    301.49x = 73,006.70
  5. Step 5: Solve for x
    x = 73,006.70/301.49
  6. Step 6: Final answer
    x = 242.15

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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.