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Finding the Fourth Proportional to 1,335.43, 1,842.98 and 746.00

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Solution

The fourth proportional to 1,335.43, 1,842.98 and 746.00 is: 1,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.43 : 1,842.98 = 746.00 : x
  2. Step 2: Convert to fraction form
    1,335.43/1,842.98 = 746.00/x
  3. Step 3: Cross multiply
    1,335.43x = 1,842.98 × 746.00
  4. Step 4: Simplify right side
    1,335.43x = 1,374,863.96
  5. Step 5: Solve for x
    x = 1,374,863.96/1,335.43
  6. Step 6: Final answer
    x = 1,029.53

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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.