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Finding the Fourth Proportional to 563,035.97, 843,963.45 and 263,263.88

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Solution

The fourth proportional to 563,035.97, 843,963.45 and 263,263.88 is: 394,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,035.97 : 843,963.45 = 263,263.88 : x
  2. Step 2: Convert to fraction form
    563,035.97/843,963.45 = 263,263.88/x
  3. Step 3: Cross multiply
    563,035.97x = 843,963.45 × 263,263.88
  4. Step 4: Simplify right side
    563,035.97x = 222,185,088,205.37
  5. Step 5: Solve for x
    x = 222,185,088,205.37/563,035.97
  6. Step 6: Final answer
    x = 394,619.71

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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.