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Finding the Fourth Proportional to 576.66, 867.05 and 462.53

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Solution

The fourth proportional to 576.66, 867.05 and 462.53 is: 695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.66 : 867.05 = 462.53 : x
  2. Step 2: Convert to fraction form
    576.66/867.05 = 462.53/x
  3. Step 3: Cross multiply
    576.66x = 867.05 × 462.53
  4. Step 4: Simplify right side
    576.66x = 401,029.99
  5. Step 5: Solve for x
    x = 401,029.99/576.66
  6. Step 6: Final answer
    x = 695.44

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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.