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Finding the Fourth Proportional to 422,931.75, 583,591.87 and 241,655.42

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Solution

The fourth proportional to 422,931.75, 583,591.87 and 241,655.42 is: 333,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,931.75 : 583,591.87 = 241,655.42 : x
  2. Step 2: Convert to fraction form
    422,931.75/583,591.87 = 241,655.42/x
  3. Step 3: Cross multiply
    422,931.75x = 583,591.87 × 241,655.42
  4. Step 4: Simplify right side
    422,931.75x = 141,028,138,453.44
  5. Step 5: Solve for x
    x = 141,028,138,453.44/422,931.75
  6. Step 6: Final answer
    x = 333,453.66

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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.