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Finding the Fourth Proportional to 470.88, 704.43 and 333.99

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Solution

The fourth proportional to 470.88, 704.43 and 333.99 is: 499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.88 : 704.43 = 333.99 : x
  2. Step 2: Convert to fraction form
    470.88/704.43 = 333.99/x
  3. Step 3: Cross multiply
    470.88x = 704.43 × 333.99
  4. Step 4: Simplify right side
    470.88x = 235,272.58
  5. Step 5: Solve for x
    x = 235,272.58/470.88
  6. Step 6: Final answer
    x = 499.64

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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.