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Finding the Fourth Proportional to 492.69, 739.08 and 249.06

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Solution

The fourth proportional to 492.69, 739.08 and 249.06 is: 373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.69 : 739.08 = 249.06 : x
  2. Step 2: Convert to fraction form
    492.69/739.08 = 249.06/x
  3. Step 3: Cross multiply
    492.69x = 739.08 × 249.06
  4. Step 4: Simplify right side
    492.69x = 184,075.26
  5. Step 5: Solve for x
    x = 184,075.26/492.69
  6. Step 6: Final answer
    x = 373.61

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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.