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Finding the Fourth Proportional to 373.24, 559.86 and 210.92

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Solution

The fourth proportional to 373.24, 559.86 and 210.92 is: 316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.24 : 559.86 = 210.92 : x
  2. Step 2: Convert to fraction form
    373.24/559.86 = 210.92/x
  3. Step 3: Cross multiply
    373.24x = 559.86 × 210.92
  4. Step 4: Simplify right side
    373.24x = 118,082.87
  5. Step 5: Solve for x
    x = 118,082.87/373.24
  6. Step 6: Final answer
    x = 316.37

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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.