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Finding the Fourth Proportional to 754.74, 1,134.66 and 594.36

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Solution

The fourth proportional to 754.74, 1,134.66 and 594.36 is: 893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.74 : 1,134.66 = 594.36 : x
  2. Step 2: Convert to fraction form
    754.74/1,134.66 = 594.36/x
  3. Step 3: Cross multiply
    754.74x = 1,134.66 × 594.36
  4. Step 4: Simplify right side
    754.74x = 674,396.52
  5. Step 5: Solve for x
    x = 674,396.52/754.74
  6. Step 6: Final answer
    x = 893.55

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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.