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Finding the Fourth Proportional to 321,263.52, 481,512.96 and 242,116.80

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Solution

The fourth proportional to 321,263.52, 481,512.96 and 242,116.80 is: 362,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,263.52 : 481,512.96 = 242,116.80 : x
  2. Step 2: Convert to fraction form
    321,263.52/481,512.96 = 242,116.80/x
  3. Step 3: Cross multiply
    321,263.52x = 481,512.96 × 242,116.80
  4. Step 4: Simplify right side
    321,263.52x = 116,582,377,033.73
  5. Step 5: Solve for x
    x = 116,582,377,033.73/321,263.52
  6. Step 6: Final answer
    x = 362,887.07

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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.