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Finding the Fourth Proportional to 431,697.28, 595,745.70 and 240,723.52

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Solution

The fourth proportional to 431,697.28, 595,745.70 and 240,723.52 is: 332,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,697.28 : 595,745.70 = 240,723.52 : x
  2. Step 2: Convert to fraction form
    431,697.28/595,745.70 = 240,723.52/x
  3. Step 3: Cross multiply
    431,697.28x = 595,745.70 × 240,723.52
  4. Step 4: Simplify right side
    431,697.28x = 143,410,001,928.86
  5. Step 5: Solve for x
    x = 143,410,001,928.86/431,697.28
  6. Step 6: Final answer
    x = 332,200.38

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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.