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Finding the Fourth Proportional to 356.13, 533.59 and 182.61

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Solution

The fourth proportional to 356.13, 533.59 and 182.61 is: 273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.13 : 533.59 = 182.61 : x
  2. Step 2: Convert to fraction form
    356.13/533.59 = 182.61/x
  3. Step 3: Cross multiply
    356.13x = 533.59 × 182.61
  4. Step 4: Simplify right side
    356.13x = 97,438.87
  5. Step 5: Solve for x
    x = 97,438.87/356.13
  6. Step 6: Final answer
    x = 273.60

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Why These Related Problems?

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