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Finding the Fourth Proportional to 1,468.98, 2,203.56 and 481.86

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Solution

The fourth proportional to 1,468.98, 2,203.56 and 481.86 is: 722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.98 : 2,203.56 = 481.86 : x
  2. Step 2: Convert to fraction form
    1,468.98/2,203.56 = 481.86/x
  3. Step 3: Cross multiply
    1,468.98x = 2,203.56 × 481.86
  4. Step 4: Simplify right side
    1,468.98x = 1,061,807.42
  5. Step 5: Solve for x
    x = 1,061,807.42/1,468.98
  6. Step 6: Final answer
    x = 722.82

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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.