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Finding the Fourth Proportional to 609.48, 912.06 and 537.48

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Solution

The fourth proportional to 609.48, 912.06 and 537.48 is: 804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.48 : 912.06 = 537.48 : x
  2. Step 2: Convert to fraction form
    609.48/912.06 = 537.48/x
  3. Step 3: Cross multiply
    609.48x = 912.06 × 537.48
  4. Step 4: Simplify right side
    609.48x = 490,214.01
  5. Step 5: Solve for x
    x = 490,214.01/609.48
  6. Step 6: Final answer
    x = 804.32

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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.