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Finding the Fourth Proportional to 1,736.74, 2,604.43 and 503.74

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Solution

The fourth proportional to 1,736.74, 2,604.43 and 503.74 is: 755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.74 : 2,604.43 = 503.74 : x
  2. Step 2: Convert to fraction form
    1,736.74/2,604.43 = 503.74/x
  3. Step 3: Cross multiply
    1,736.74x = 2,604.43 × 503.74
  4. Step 4: Simplify right side
    1,736.74x = 1,311,955.57
  5. Step 5: Solve for x
    x = 1,311,955.57/1,736.74
  6. Step 6: Final answer
    x = 755.41

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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.