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Finding the Fourth Proportional to 355.72, 533.76 and 184.72

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Solution

The fourth proportional to 355.72, 533.76 and 184.72 is: 277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.72 : 533.76 = 184.72 : x
  2. Step 2: Convert to fraction form
    355.72/533.76 = 184.72/x
  3. Step 3: Cross multiply
    355.72x = 533.76 × 184.72
  4. Step 4: Simplify right side
    355.72x = 98,596.15
  5. Step 5: Solve for x
    x = 98,596.15/355.72
  6. Step 6: Final answer
    x = 277.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.