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Finding the Fourth Proportional to 647,753.52, 971,754.81 and 248,363.13

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Solution

The fourth proportional to 647,753.52, 971,754.81 and 248,363.13 is: 372,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,753.52 : 971,754.81 = 248,363.13 : x
  2. Step 2: Convert to fraction form
    647,753.52/971,754.81 = 248,363.13/x
  3. Step 3: Cross multiply
    647,753.52x = 971,754.81 × 248,363.13
  4. Step 4: Simplify right side
    647,753.52x = 241,348,066,204.16
  5. Step 5: Solve for x
    x = 241,348,066,204.16/647,753.52
  6. Step 6: Final answer
    x = 372,592.44

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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.