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Finding the Fourth Proportional to 1,467.58, 2,200.02 and 542.92

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Solution

The fourth proportional to 1,467.58, 2,200.02 and 542.92 is: 813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.58 : 2,200.02 = 542.92 : x
  2. Step 2: Convert to fraction form
    1,467.58/2,200.02 = 542.92/x
  3. Step 3: Cross multiply
    1,467.58x = 2,200.02 × 542.92
  4. Step 4: Simplify right side
    1,467.58x = 1,194,434.86
  5. Step 5: Solve for x
    x = 1,194,434.86/1,467.58
  6. Step 6: Final answer
    x = 813.88

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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.