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Finding the Fourth Proportional to 1,467.37, 2,201.02 and 542.82

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Solution

The fourth proportional to 1,467.37, 2,201.02 and 542.82 is: 814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.37 : 2,201.02 = 542.82 : x
  2. Step 2: Convert to fraction form
    1,467.37/2,201.02 = 542.82/x
  3. Step 3: Cross multiply
    1,467.37x = 2,201.02 × 542.82
  4. Step 4: Simplify right side
    1,467.37x = 1,194,756.32
  5. Step 5: Solve for x
    x = 1,194,756.32/1,467.37
  6. Step 6: Final answer
    x = 814.22

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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.