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Finding the Fourth Proportional to 471.99, 650.85 and 332.06

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Solution

The fourth proportional to 471.99, 650.85 and 332.06 is: 457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.99 : 650.85 = 332.06 : x
  2. Step 2: Convert to fraction form
    471.99/650.85 = 332.06/x
  3. Step 3: Cross multiply
    471.99x = 650.85 × 332.06
  4. Step 4: Simplify right side
    471.99x = 216,121.25
  5. Step 5: Solve for x
    x = 216,121.25/471.99
  6. Step 6: Final answer
    x = 457.89

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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.