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Finding the Fourth Proportional to 1,334.78, 2,002.72 and 594.02

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Solution

The fourth proportional to 1,334.78, 2,002.72 and 594.02 is: 891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.78 : 2,002.72 = 594.02 : x
  2. Step 2: Convert to fraction form
    1,334.78/2,002.72 = 594.02/x
  3. Step 3: Cross multiply
    1,334.78x = 2,002.72 × 594.02
  4. Step 4: Simplify right side
    1,334.78x = 1,189,655.73
  5. Step 5: Solve for x
    x = 1,189,655.73/1,334.78
  6. Step 6: Final answer
    x = 891.27

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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.