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Finding the Fourth Proportional to 495,893.92, 684,334.56 and 269,538.88

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Solution

The fourth proportional to 495,893.92, 684,334.56 and 269,538.88 is: 371,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,893.92 : 684,334.56 = 269,538.88 : x
  2. Step 2: Convert to fraction form
    495,893.92/684,334.56 = 269,538.88/x
  3. Step 3: Cross multiply
    495,893.92x = 684,334.56 × 269,538.88
  4. Step 4: Simplify right side
    495,893.92x = 184,454,770,847.69
  5. Step 5: Solve for x
    x = 184,454,770,847.69/495,893.92
  6. Step 6: Final answer
    x = 371,964.17

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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.