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Finding the Fourth Proportional to 495,890.92, 684,330.42 and 269,535.88

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Solution

The fourth proportional to 495,890.92, 684,330.42 and 269,535.88 is: 371,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,890.92 : 684,330.42 = 269,535.88 : x
  2. Step 2: Convert to fraction form
    495,890.92/684,330.42 = 269,535.88/x
  3. Step 3: Cross multiply
    495,890.92x = 684,330.42 × 269,535.88
  4. Step 4: Simplify right side
    495,890.92x = 184,451,601,965.47
  5. Step 5: Solve for x
    x = 184,451,601,965.47/495,890.92
  6. Step 6: Final answer
    x = 371,960.03

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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.