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Finding the Fourth Proportional to 1,183.95, 1,775.12 and 534.33

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Solution

The fourth proportional to 1,183.95, 1,775.12 and 534.33 is: 801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.95 : 1,775.12 = 534.33 : x
  2. Step 2: Convert to fraction form
    1,183.95/1,775.12 = 534.33/x
  3. Step 3: Cross multiply
    1,183.95x = 1,775.12 × 534.33
  4. Step 4: Simplify right side
    1,183.95x = 948,497.20
  5. Step 5: Solve for x
    x = 948,497.20/1,183.95
  6. Step 6: Final answer
    x = 801.13

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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.