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Finding the Fourth Proportional to 798.35, 1,101.44 and 466.66

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Solution

The fourth proportional to 798.35, 1,101.44 and 466.66 is: 643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.35 : 1,101.44 = 466.66 : x
  2. Step 2: Convert to fraction form
    798.35/1,101.44 = 466.66/x
  3. Step 3: Cross multiply
    798.35x = 1,101.44 × 466.66
  4. Step 4: Simplify right side
    798.35x = 513,997.99
  5. Step 5: Solve for x
    x = 513,997.99/798.35
  6. Step 6: Final answer
    x = 643.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.