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Finding the Fourth Proportional to 1,344.06, 1,854.82 and 746.57

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Solution

The fourth proportional to 1,344.06, 1,854.82 and 746.57 is: 1,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.06 : 1,854.82 = 746.57 : x
  2. Step 2: Convert to fraction form
    1,344.06/1,854.82 = 746.57/x
  3. Step 3: Cross multiply
    1,344.06x = 1,854.82 × 746.57
  4. Step 4: Simplify right side
    1,344.06x = 1,384,748.10
  5. Step 5: Solve for x
    x = 1,384,748.10/1,344.06
  6. Step 6: Final answer
    x = 1,030.27

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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.