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Finding the Fourth Proportional to 1,456.00, 2,182.41 and 716.12

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Solution

The fourth proportional to 1,456.00, 2,182.41 and 716.12 is: 1,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.00 : 2,182.41 = 716.12 : x
  2. Step 2: Convert to fraction form
    1,456.00/2,182.41 = 716.12/x
  3. Step 3: Cross multiply
    1,456.00x = 2,182.41 × 716.12
  4. Step 4: Simplify right side
    1,456.00x = 1,562,864.72
  5. Step 5: Solve for x
    x = 1,562,864.72/1,456.00
  6. Step 6: Final answer
    x = 1,073.40

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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.