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Finding the Fourth Proportional to 744.14, 1,026.53 and 604.41

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Solution

The fourth proportional to 744.14, 1,026.53 and 604.41 is: 833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.14 : 1,026.53 = 604.41 : x
  2. Step 2: Convert to fraction form
    744.14/1,026.53 = 604.41/x
  3. Step 3: Cross multiply
    744.14x = 1,026.53 × 604.41
  4. Step 4: Simplify right side
    744.14x = 620,441.98
  5. Step 5: Solve for x
    x = 620,441.98/744.14
  6. Step 6: Final answer
    x = 833.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.