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Finding the Fourth Proportional to 558.28, 837.26 and 188.04

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Solution

The fourth proportional to 558.28, 837.26 and 188.04 is: 282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.28 : 837.26 = 188.04 : x
  2. Step 2: Convert to fraction form
    558.28/837.26 = 188.04/x
  3. Step 3: Cross multiply
    558.28x = 837.26 × 188.04
  4. Step 4: Simplify right side
    558.28x = 157,439.52
  5. Step 5: Solve for x
    x = 157,439.52/558.28
  6. Step 6: Final answer
    x = 282.01

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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.