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Finding the Fourth Proportional to 358.55, 537.44 and 185.23

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Solution

The fourth proportional to 358.55, 537.44 and 185.23 is: 277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.55 : 537.44 = 185.23 : x
  2. Step 2: Convert to fraction form
    358.55/537.44 = 185.23/x
  3. Step 3: Cross multiply
    358.55x = 537.44 × 185.23
  4. Step 4: Simplify right side
    358.55x = 99,549.76
  5. Step 5: Solve for x
    x = 99,549.76/358.55
  6. Step 6: Final answer
    x = 277.65

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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.