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Finding the Fourth Proportional to 471.64, 708.08 and 363.52

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Solution

The fourth proportional to 471.64, 708.08 and 363.52 is: 545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.64 : 708.08 = 363.52 : x
  2. Step 2: Convert to fraction form
    471.64/708.08 = 363.52/x
  3. Step 3: Cross multiply
    471.64x = 708.08 × 363.52
  4. Step 4: Simplify right side
    471.64x = 257,401.24
  5. Step 5: Solve for x
    x = 257,401.24/471.64
  6. Step 6: Final answer
    x = 545.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.