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Finding the Fourth Proportional to 2,304.84, 3,180.66 and 1,256.88

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Solution

The fourth proportional to 2,304.84, 3,180.66 and 1,256.88 is: 1,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.84 : 3,180.66 = 1,256.88 : x
  2. Step 2: Convert to fraction form
    2,304.84/3,180.66 = 1,256.88/x
  3. Step 3: Cross multiply
    2,304.84x = 3,180.66 × 1,256.88
  4. Step 4: Simplify right side
    2,304.84x = 3,997,707.94
  5. Step 5: Solve for x
    x = 3,997,707.94/2,304.84
  6. Step 6: Final answer
    x = 1,734.48

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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.