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Finding the Fourth Proportional to 649.01, 895.63 and 354.26

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Solution

The fourth proportional to 649.01, 895.63 and 354.26 is: 488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    649.01 : 895.63 = 354.26 : x
  2. Step 2: Convert to fraction form
    649.01/895.63 = 354.26/x
  3. Step 3: Cross multiply
    649.01x = 895.63 × 354.26
  4. Step 4: Simplify right side
    649.01x = 317,285.88
  5. Step 5: Solve for x
    x = 317,285.88/649.01
  6. Step 6: Final answer
    x = 488.88

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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.