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Finding the Fourth Proportional to 1,736.53, 2,604.89 and 503.90

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Solution

The fourth proportional to 1,736.53, 2,604.89 and 503.90 is: 755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.53 : 2,604.89 = 503.90 : x
  2. Step 2: Convert to fraction form
    1,736.53/2,604.89 = 503.90/x
  3. Step 3: Cross multiply
    1,736.53x = 2,604.89 × 503.90
  4. Step 4: Simplify right side
    1,736.53x = 1,312,604.07
  5. Step 5: Solve for x
    x = 1,312,604.07/1,736.53
  6. Step 6: Final answer
    x = 755.88

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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.