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Finding the Fourth Proportional to 293.73, 405.54 and 183.36

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Solution

The fourth proportional to 293.73, 405.54 and 183.36 is: 253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.73 : 405.54 = 183.36 : x
  2. Step 2: Convert to fraction form
    293.73/405.54 = 183.36/x
  3. Step 3: Cross multiply
    293.73x = 405.54 × 183.36
  4. Step 4: Simplify right side
    293.73x = 74,359.81
  5. Step 5: Solve for x
    x = 74,359.81/293.73
  6. Step 6: Final answer
    x = 253.16

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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.