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Finding the Fourth Proportional to 652.02, 977.55 and 267.30

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Solution

The fourth proportional to 652.02, 977.55 and 267.30 is: 400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.02 : 977.55 = 267.30 : x
  2. Step 2: Convert to fraction form
    652.02/977.55 = 267.30/x
  3. Step 3: Cross multiply
    652.02x = 977.55 × 267.30
  4. Step 4: Simplify right side
    652.02x = 261,299.12
  5. Step 5: Solve for x
    x = 261,299.12/652.02
  6. Step 6: Final answer
    x = 400.75

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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.