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Finding the Fourth Proportional to 495,583.80, 683,906.46 and 269,229.48

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Solution

The fourth proportional to 495,583.80, 683,906.46 and 269,229.48 is: 371,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,583.80 : 683,906.46 = 269,229.48 : x
  2. Step 2: Convert to fraction form
    495,583.80/683,906.46 = 269,229.48/x
  3. Step 3: Cross multiply
    495,583.80x = 683,906.46 × 269,229.48
  4. Step 4: Simplify right side
    495,583.80x = 184,127,780,594.44
  5. Step 5: Solve for x
    x = 184,127,780,594.44/495,583.80
  6. Step 6: Final answer
    x = 371,537.13

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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.