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Finding the Fourth Proportional to 1,334.48, 2,001.77 and 360.59

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Solution

The fourth proportional to 1,334.48, 2,001.77 and 360.59 is: 540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.48 : 2,001.77 = 360.59 : x
  2. Step 2: Convert to fraction form
    1,334.48/2,001.77 = 360.59/x
  3. Step 3: Cross multiply
    1,334.48x = 2,001.77 × 360.59
  4. Step 4: Simplify right side
    1,334.48x = 721,816.44
  5. Step 5: Solve for x
    x = 721,816.44/1,334.48
  6. Step 6: Final answer
    x = 540.90

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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.