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Finding the Fourth Proportional to 482.88, 723.41 and 374.14

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Solution

The fourth proportional to 482.88, 723.41 and 374.14 is: 560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.88 : 723.41 = 374.14 : x
  2. Step 2: Convert to fraction form
    482.88/723.41 = 374.14/x
  3. Step 3: Cross multiply
    482.88x = 723.41 × 374.14
  4. Step 4: Simplify right side
    482.88x = 270,651.13
  5. Step 5: Solve for x
    x = 270,651.13/482.88
  6. Step 6: Final answer
    x = 560.49

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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.