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Finding the Fourth Proportional to 460,747.92, 635,838.50 and 256,793.16

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Solution

The fourth proportional to 460,747.92, 635,838.50 and 256,793.16 is: 354,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,747.92 : 635,838.50 = 256,793.16 : x
  2. Step 2: Convert to fraction form
    460,747.92/635,838.50 = 256,793.16/x
  3. Step 3: Cross multiply
    460,747.92x = 635,838.50 × 256,793.16
  4. Step 4: Simplify right side
    460,747.92x = 163,278,976,380.69
  5. Step 5: Solve for x
    x = 163,278,976,380.69/460,747.92
  6. Step 6: Final answer
    x = 354,378.11

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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.