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Finding the Fourth Proportional to 468.44, 699.81 and 372.36

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Solution

The fourth proportional to 468.44, 699.81 and 372.36 is: 556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.44 : 699.81 = 372.36 : x
  2. Step 2: Convert to fraction form
    468.44/699.81 = 372.36/x
  3. Step 3: Cross multiply
    468.44x = 699.81 × 372.36
  4. Step 4: Simplify right side
    468.44x = 260,581.25
  5. Step 5: Solve for x
    x = 260,581.25/468.44
  6. Step 6: Final answer
    x = 556.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.