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Finding the Fourth Proportional to 358.56, 537.60 and 194.04

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Solution

The fourth proportional to 358.56, 537.60 and 194.04 is: 290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.56 : 537.60 = 194.04 : x
  2. Step 2: Convert to fraction form
    358.56/537.60 = 194.04/x
  3. Step 3: Cross multiply
    358.56x = 537.60 × 194.04
  4. Step 4: Simplify right side
    358.56x = 104,315.90
  5. Step 5: Solve for x
    x = 104,315.90/358.56
  6. Step 6: Final answer
    x = 290.93

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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.