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Finding the Fourth Proportional to 470.15, 704.63 and 333.23

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Solution

The fourth proportional to 470.15, 704.63 and 333.23 is: 499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.15 : 704.63 = 333.23 : x
  2. Step 2: Convert to fraction form
    470.15/704.63 = 333.23/x
  3. Step 3: Cross multiply
    470.15x = 704.63 × 333.23
  4. Step 4: Simplify right side
    470.15x = 234,798.67
  5. Step 5: Solve for x
    x = 234,798.67/470.15
  6. Step 6: Final answer
    x = 499.42

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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.