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Finding the Fourth Proportional to 552.16, 826.62 and 483.82

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Solution

The fourth proportional to 552.16, 826.62 and 483.82 is: 724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.16 : 826.62 = 483.82 : x
  2. Step 2: Convert to fraction form
    552.16/826.62 = 483.82/x
  3. Step 3: Cross multiply
    552.16x = 826.62 × 483.82
  4. Step 4: Simplify right side
    552.16x = 399,931.41
  5. Step 5: Solve for x
    x = 399,931.41/552.16
  6. Step 6: Final answer
    x = 724.30

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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.