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Finding the Fourth Proportional to 303.54, 454.50 and 250.08

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Solution

The fourth proportional to 303.54, 454.50 and 250.08 is: 374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.54 : 454.50 = 250.08 : x
  2. Step 2: Convert to fraction form
    303.54/454.50 = 250.08/x
  3. Step 3: Cross multiply
    303.54x = 454.50 × 250.08
  4. Step 4: Simplify right side
    303.54x = 113,661.36
  5. Step 5: Solve for x
    x = 113,661.36/303.54
  6. Step 6: Final answer
    x = 374.45

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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.