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Finding the Fourth Proportional to 251.04, 346.46 and 176.36

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Solution

The fourth proportional to 251.04, 346.46 and 176.36 is: 243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.04 : 346.46 = 176.36 : x
  2. Step 2: Convert to fraction form
    251.04/346.46 = 176.36/x
  3. Step 3: Cross multiply
    251.04x = 346.46 × 176.36
  4. Step 4: Simplify right side
    251.04x = 61,099.07
  5. Step 5: Solve for x
    x = 61,099.07/251.04
  6. Step 6: Final answer
    x = 243.38

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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.