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Finding the Fourth Proportional to 1,233.35, 1,701.97 and 673.84

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Solution

The fourth proportional to 1,233.35, 1,701.97 and 673.84 is: 929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.35 : 1,701.97 = 673.84 : x
  2. Step 2: Convert to fraction form
    1,233.35/1,701.97 = 673.84/x
  3. Step 3: Cross multiply
    1,233.35x = 1,701.97 × 673.84
  4. Step 4: Simplify right side
    1,233.35x = 1,146,855.46
  5. Step 5: Solve for x
    x = 1,146,855.46/1,233.35
  6. Step 6: Final answer
    x = 929.87

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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.