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Finding the Fourth Proportional to 301.73, 416.40 and 183.74

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Solution

The fourth proportional to 301.73, 416.40 and 183.74 is: 253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.73 : 416.40 = 183.74 : x
  2. Step 2: Convert to fraction form
    301.73/416.40 = 183.74/x
  3. Step 3: Cross multiply
    301.73x = 416.40 × 183.74
  4. Step 4: Simplify right side
    301.73x = 76,507.25
  5. Step 5: Solve for x
    x = 76,507.25/301.73
  6. Step 6: Final answer
    x = 253.57

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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.