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Finding the Fourth Proportional to 422,597.17, 633,895.76 and 256,035.25

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Solution

The fourth proportional to 422,597.17, 633,895.76 and 256,035.25 is: 384,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,597.17 : 633,895.76 = 256,035.25 : x
  2. Step 2: Convert to fraction form
    422,597.17/633,895.76 = 256,035.25/x
  3. Step 3: Cross multiply
    422,597.17x = 633,895.76 × 256,035.25
  4. Step 4: Simplify right side
    422,597.17x = 162,299,659,385.54
  5. Step 5: Solve for x
    x = 162,299,659,385.54/422,597.17
  6. Step 6: Final answer
    x = 384,052.88

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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.