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Finding the Fourth Proportional to 2,298.16, 3,447.48 and 759.28

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Solution

The fourth proportional to 2,298.16, 3,447.48 and 759.28 is: 1,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.16 : 3,447.48 = 759.28 : x
  2. Step 2: Convert to fraction form
    2,298.16/3,447.48 = 759.28/x
  3. Step 3: Cross multiply
    2,298.16x = 3,447.48 × 759.28
  4. Step 4: Simplify right side
    2,298.16x = 2,617,602.61
  5. Step 5: Solve for x
    x = 2,617,602.61/2,298.16
  6. Step 6: Final answer
    x = 1,139.00

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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.