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Finding the Fourth Proportional to 571,793.82, 789,169.95 and 317,227.02

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Solution

The fourth proportional to 571,793.82, 789,169.95 and 317,227.02 is: 437,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,793.82 : 789,169.95 = 317,227.02 : x
  2. Step 2: Convert to fraction form
    571,793.82/789,169.95 = 317,227.02/x
  3. Step 3: Cross multiply
    571,793.82x = 789,169.95 × 317,227.02
  4. Step 4: Simplify right side
    571,793.82x = 250,346,031,512.05
  5. Step 5: Solve for x
    x = 250,346,031,512.05/571,793.82
  6. Step 6: Final answer
    x = 437,825.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.