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Finding the Fourth Proportional to 1,234.94, 1,704.53 and 763.24

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Solution

The fourth proportional to 1,234.94, 1,704.53 and 763.24 is: 1,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.94 : 1,704.53 = 763.24 : x
  2. Step 2: Convert to fraction form
    1,234.94/1,704.53 = 763.24/x
  3. Step 3: Cross multiply
    1,234.94x = 1,704.53 × 763.24
  4. Step 4: Simplify right side
    1,234.94x = 1,300,965.48
  5. Step 5: Solve for x
    x = 1,300,965.48/1,234.94
  6. Step 6: Final answer
    x = 1,053.46

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