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Finding the Fourth Proportional to 495,843.52, 684,260.84 and 269,489.02

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Solution

The fourth proportional to 495,843.52, 684,260.84 and 269,489.02 is: 371,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,843.52 : 684,260.84 = 269,489.02 : x
  2. Step 2: Convert to fraction form
    495,843.52/684,260.84 = 269,489.02/x
  3. Step 3: Cross multiply
    495,843.52x = 684,260.84 × 269,489.02
  4. Step 4: Simplify right side
    495,843.52x = 184,400,783,195.98
  5. Step 5: Solve for x
    x = 184,400,783,195.98/495,843.52
  6. Step 6: Final answer
    x = 371,893.10

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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.