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Finding the Fourth Proportional to 558.14, 837.01 and 192.83

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Solution

The fourth proportional to 558.14, 837.01 and 192.83 is: 289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.14 : 837.01 = 192.83 : x
  2. Step 2: Convert to fraction form
    558.14/837.01 = 192.83/x
  3. Step 3: Cross multiply
    558.14x = 837.01 × 192.83
  4. Step 4: Simplify right side
    558.14x = 161,400.64
  5. Step 5: Solve for x
    x = 161,400.64/558.14
  6. Step 6: Final answer
    x = 289.18

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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.