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Finding the Fourth Proportional to 467.10, 699.84 and 322.56

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Solution

The fourth proportional to 467.10, 699.84 and 322.56 is: 483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.10 : 699.84 = 322.56 : x
  2. Step 2: Convert to fraction form
    467.10/699.84 = 322.56/x
  3. Step 3: Cross multiply
    467.10x = 699.84 × 322.56
  4. Step 4: Simplify right side
    467.10x = 225,740.39
  5. Step 5: Solve for x
    x = 225,740.39/467.10
  6. Step 6: Final answer
    x = 483.28

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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.