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Finding the Fourth Proportional to 655,694.30, 982,957.95 and 256,244.22

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Solution

The fourth proportional to 655,694.30, 982,957.95 and 256,244.22 is: 384,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,694.30 : 982,957.95 = 256,244.22 : x
  2. Step 2: Convert to fraction form
    655,694.30/982,957.95 = 256,244.22/x
  3. Step 3: Cross multiply
    655,694.30x = 982,957.95 × 256,244.22
  4. Step 4: Simplify right side
    655,694.30x = 251,877,293,190.55
  5. Step 5: Solve for x
    x = 251,877,293,190.55/655,694.30
  6. Step 6: Final answer
    x = 384,138.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.