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Finding the Fourth Proportional to 322,444.95, 483,725.88 and 263,000.34

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Solution

The fourth proportional to 322,444.95, 483,725.88 and 263,000.34 is: 394,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,444.95 : 483,725.88 = 263,000.34 : x
  2. Step 2: Convert to fraction form
    322,444.95/483,725.88 = 263,000.34/x
  3. Step 3: Cross multiply
    322,444.95x = 483,725.88 × 263,000.34
  4. Step 4: Simplify right side
    322,444.95x = 127,220,070,906.80
  5. Step 5: Solve for x
    x = 127,220,070,906.80/322,444.95
  6. Step 6: Final answer
    x = 394,548.19

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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.