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Finding the Fourth Proportional to 1,516.55, 2,273.89 and 591.03

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Solution

The fourth proportional to 1,516.55, 2,273.89 and 591.03 is: 886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.55 : 2,273.89 = 591.03 : x
  2. Step 2: Convert to fraction form
    1,516.55/2,273.89 = 591.03/x
  3. Step 3: Cross multiply
    1,516.55x = 2,273.89 × 591.03
  4. Step 4: Simplify right side
    1,516.55x = 1,343,937.21
  5. Step 5: Solve for x
    x = 1,343,937.21/1,516.55
  6. Step 6: Final answer
    x = 886.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.