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Finding the Fourth Proportional to 294.24, 405.98 and 183.68

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Solution

The fourth proportional to 294.24, 405.98 and 183.68 is: 253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.24 : 405.98 = 183.68 : x
  2. Step 2: Convert to fraction form
    294.24/405.98 = 183.68/x
  3. Step 3: Cross multiply
    294.24x = 405.98 × 183.68
  4. Step 4: Simplify right side
    294.24x = 74,570.41
  5. Step 5: Solve for x
    x = 74,570.41/294.24
  6. Step 6: Final answer
    x = 253.43

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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.