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Finding the Fourth Proportional to 797.84, 1,100.84 and 466.34

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Solution

The fourth proportional to 797.84, 1,100.84 and 466.34 is: 643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.84 : 1,100.84 = 466.34 : x
  2. Step 2: Convert to fraction form
    797.84/1,100.84 = 466.34/x
  3. Step 3: Cross multiply
    797.84x = 1,100.84 × 466.34
  4. Step 4: Simplify right side
    797.84x = 513,357.89
  5. Step 5: Solve for x
    x = 513,357.89/797.84
  6. Step 6: Final answer
    x = 643.44

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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.