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Finding the Fourth Proportional to 733.52, 1,012.94 and 472

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Solution

The fourth proportional to 733.52, 1,012.94 and 472 is: 651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.52 : 1,012.94 = 472 : x
  2. Step 2: Convert to fraction form
    733.52/1,012.94 = 472/x
  3. Step 3: Cross multiply
    733.52x = 1,012.94 × 472
  4. Step 4: Simplify right side
    733.52x = 478,107.68
  5. Step 5: Solve for x
    x = 478,107.68/733.52
  6. Step 6: Final answer
    x = 651.80

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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.