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Finding the Fourth Proportional to 732.67, 1,011.26 and 470.23

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Solution

The fourth proportional to 732.67, 1,011.26 and 470.23 is: 649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.67 : 1,011.26 = 470.23 : x
  2. Step 2: Convert to fraction form
    732.67/1,011.26 = 470.23/x
  3. Step 3: Cross multiply
    732.67x = 1,011.26 × 470.23
  4. Step 4: Simplify right side
    732.67x = 475,523.44
  5. Step 5: Solve for x
    x = 475,523.44/732.67
  6. Step 6: Final answer
    x = 649.03

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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.