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Finding the Fourth Proportional to 649.24, 895.92 and 369.48

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Solution

The fourth proportional to 649.24, 895.92 and 369.48 is: 509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    649.24 : 895.92 = 369.48 : x
  2. Step 2: Convert to fraction form
    649.24/895.92 = 369.48/x
  3. Step 3: Cross multiply
    649.24x = 895.92 × 369.48
  4. Step 4: Simplify right side
    649.24x = 331,024.52
  5. Step 5: Solve for x
    x = 331,024.52/649.24
  6. Step 6: Final answer
    x = 509.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.