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Finding the Fourth Proportional to 471.02, 649.98 and 264.02

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Solution

The fourth proportional to 471.02, 649.98 and 264.02 is: 364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.02 : 649.98 = 264.02 : x
  2. Step 2: Convert to fraction form
    471.02/649.98 = 264.02/x
  3. Step 3: Cross multiply
    471.02x = 649.98 × 264.02
  4. Step 4: Simplify right side
    471.02x = 171,607.72
  5. Step 5: Solve for x
    x = 171,607.72/471.02
  6. Step 6: Final answer
    x = 364.33

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Why These Related Problems?

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