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Finding the Third Proportional to 401 and 574.50

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Solution

The third proportional to 401 and 574.50 is: 823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    401 : 574.50 = 574.50 : x
  2. Step 2: Convert to fraction form
    401/574.50 = 574.50/x
  3. Step 3: Cross multiply
    401x = 574.50 × 574.50
  4. Step 4: Simplify right side
    401x = 330,050.25
  5. Step 5: Solve for x
    x = 330,050.25/401
  6. Step 6: Final answer
    x = 823.07

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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.