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Finding the Fourth Proportional to 372.89, 514.53 and 207.08

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Solution

The fourth proportional to 372.89, 514.53 and 207.08 is: 285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.89 : 514.53 = 207.08 : x
  2. Step 2: Convert to fraction form
    372.89/514.53 = 207.08/x
  3. Step 3: Cross multiply
    372.89x = 514.53 × 207.08
  4. Step 4: Simplify right side
    372.89x = 106,548.87
  5. Step 5: Solve for x
    x = 106,548.87/372.89
  6. Step 6: Final answer
    x = 285.74

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