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Finding the Fourth Proportional to 976.05, 1,460.43 and 744.59

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Solution

The fourth proportional to 976.05, 1,460.43 and 744.59 is: 1,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.05 : 1,460.43 = 744.59 : x
  2. Step 2: Convert to fraction form
    976.05/1,460.43 = 744.59/x
  3. Step 3: Cross multiply
    976.05x = 1,460.43 × 744.59
  4. Step 4: Simplify right side
    976.05x = 1,087,425.22
  5. Step 5: Solve for x
    x = 1,087,425.22/976.05
  6. Step 6: Final answer
    x = 1,114.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.