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Finding the Fourth Proportional to 757.74, 1,135.08 and 594.66

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Solution

The fourth proportional to 757.74, 1,135.08 and 594.66 is: 890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.74 : 1,135.08 = 594.66 : x
  2. Step 2: Convert to fraction form
    757.74/1,135.08 = 594.66/x
  3. Step 3: Cross multiply
    757.74x = 1,135.08 × 594.66
  4. Step 4: Simplify right side
    757.74x = 674,986.67
  5. Step 5: Solve for x
    x = 674,986.67/757.74
  6. Step 6: Final answer
    x = 890.79

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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.