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Finding the Fourth Proportional to 1,346.82, 2,020.28 and 373

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Solution

The fourth proportional to 1,346.82, 2,020.28 and 373 is: 559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.82 : 2,020.28 = 373 : x
  2. Step 2: Convert to fraction form
    1,346.82/2,020.28 = 373/x
  3. Step 3: Cross multiply
    1,346.82x = 2,020.28 × 373
  4. Step 4: Simplify right side
    1,346.82x = 753,564.44
  5. Step 5: Solve for x
    x = 753,564.44/1,346.82
  6. Step 6: Final answer
    x = 559.51

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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.