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Finding the Fourth Proportional to 294.72, 406.48 and 184.08

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Solution

The fourth proportional to 294.72, 406.48 and 184.08 is: 253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.72 : 406.48 = 184.08 : x
  2. Step 2: Convert to fraction form
    294.72/406.48 = 184.08/x
  3. Step 3: Cross multiply
    294.72x = 406.48 × 184.08
  4. Step 4: Simplify right side
    294.72x = 74,824.84
  5. Step 5: Solve for x
    x = 74,824.84/294.72
  6. Step 6: Final answer
    x = 253.88

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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.