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Finding the Fourth Proportional to 497.08, 744.24 and 253.08

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Solution

The fourth proportional to 497.08, 744.24 and 253.08 is: 378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.08 : 744.24 = 253.08 : x
  2. Step 2: Convert to fraction form
    497.08/744.24 = 253.08/x
  3. Step 3: Cross multiply
    497.08x = 744.24 × 253.08
  4. Step 4: Simplify right side
    497.08x = 188,352.26
  5. Step 5: Solve for x
    x = 188,352.26/497.08
  6. Step 6: Final answer
    x = 378.92

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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.