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Finding the Fourth Proportional to 373, 514.75 and 207.22

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Solution

The fourth proportional to 373, 514.75 and 207.22 is: 285.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373 : 514.75 = 207.22 : x
  2. Step 2: Convert to fraction form
    373/514.75 = 207.22/x
  3. Step 3: Cross multiply
    373x = 514.75 × 207.22
  4. Step 4: Simplify right side
    373x = 106,665.46
  5. Step 5: Solve for x
    x = 106,665.46/373
  6. Step 6: Final answer
    x = 285.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.