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Finding the Fourth Proportional to 473.00, 709.86 and 267.53

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Solution

The fourth proportional to 473.00, 709.86 and 267.53 is: 401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.00 : 709.86 = 267.53 : x
  2. Step 2: Convert to fraction form
    473.00/709.86 = 267.53/x
  3. Step 3: Cross multiply
    473.00x = 709.86 × 267.53
  4. Step 4: Simplify right side
    473.00x = 189,905.30
  5. Step 5: Solve for x
    x = 189,905.30/473.00
  6. Step 6: Final answer
    x = 401.50

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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.