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Finding the Fourth Proportional to 1,179.68, 1,768.44 and 601.28

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Solution

The fourth proportional to 1,179.68, 1,768.44 and 601.28 is: 901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.68 : 1,768.44 = 601.28 : x
  2. Step 2: Convert to fraction form
    1,179.68/1,768.44 = 601.28/x
  3. Step 3: Cross multiply
    1,179.68x = 1,768.44 × 601.28
  4. Step 4: Simplify right side
    1,179.68x = 1,063,327.60
  5. Step 5: Solve for x
    x = 1,063,327.60/1,179.68
  6. Step 6: Final answer
    x = 901.37

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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.