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Finding the Fourth Proportional to 330.37, 455.94 and 183.02

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Solution

The fourth proportional to 330.37, 455.94 and 183.02 is: 252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.37 : 455.94 = 183.02 : x
  2. Step 2: Convert to fraction form
    330.37/455.94 = 183.02/x
  3. Step 3: Cross multiply
    330.37x = 455.94 × 183.02
  4. Step 4: Simplify right side
    330.37x = 83,444.31
  5. Step 5: Solve for x
    x = 83,444.31/330.37
  6. Step 6: Final answer
    x = 252.58

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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.