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Finding the Fourth Proportional to 495,591.60, 683,890.92 and 269,236.56

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Solution

The fourth proportional to 495,591.60, 683,890.92 and 269,236.56 is: 371,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,591.60 : 683,890.92 = 269,236.56 : x
  2. Step 2: Convert to fraction form
    495,591.60/683,890.92 = 269,236.56/x
  3. Step 3: Cross multiply
    495,591.60x = 683,890.92 × 269,236.56
  4. Step 4: Simplify right side
    495,591.60x = 184,128,438,716.04
  5. Step 5: Solve for x
    x = 184,128,438,716.04/495,591.60
  6. Step 6: Final answer
    x = 371,532.61

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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.