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Finding the Fourth Proportional to 383.33, 574.58 and 164.07

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Solution

The fourth proportional to 383.33, 574.58 and 164.07 is: 245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.33 : 574.58 = 164.07 : x
  2. Step 2: Convert to fraction form
    383.33/574.58 = 164.07/x
  3. Step 3: Cross multiply
    383.33x = 574.58 × 164.07
  4. Step 4: Simplify right side
    383.33x = 94,268.06
  5. Step 5: Solve for x
    x = 94,268.06/383.33
  6. Step 6: Final answer
    x = 245.92

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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.