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Finding the Fourth Proportional to 571,793.32, 789,169.26 and 317,226.52

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Solution

The fourth proportional to 571,793.32, 789,169.26 and 317,226.52 is: 437,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,793.32 : 789,169.26 = 317,226.52 : x
  2. Step 2: Convert to fraction form
    571,793.32/789,169.26 = 317,226.52/x
  3. Step 3: Cross multiply
    571,793.32x = 789,169.26 × 317,226.52
  4. Step 4: Simplify right side
    571,793.32x = 250,345,418,040.78
  5. Step 5: Solve for x
    x = 250,345,418,040.78/571,793.32
  6. Step 6: Final answer
    x = 437,825.01

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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.