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Finding the Fourth Proportional to 571,007.76, 856,517.64 and 233,961.84

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Solution

The fourth proportional to 571,007.76, 856,517.64 and 233,961.84 is: 350,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,007.76 : 856,517.64 = 233,961.84 : x
  2. Step 2: Convert to fraction form
    571,007.76/856,517.64 = 233,961.84/x
  3. Step 3: Cross multiply
    571,007.76x = 856,517.64 × 233,961.84
  4. Step 4: Simplify right side
    571,007.76x = 200,392,443,046.86
  5. Step 5: Solve for x
    x = 200,392,443,046.86/571,007.76
  6. Step 6: Final answer
    x = 350,945.22

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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.