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Finding the Fourth Proportional to 408,475.89, 611,664.08 and 250,224.57

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Solution

The fourth proportional to 408,475.89, 611,664.08 and 250,224.57 is: 374,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,475.89 : 611,664.08 = 250,224.57 : x
  2. Step 2: Convert to fraction form
    408,475.89/611,664.08 = 250,224.57/x
  3. Step 3: Cross multiply
    408,475.89x = 611,664.08 × 250,224.57
  4. Step 4: Simplify right side
    408,475.89x = 153,053,380,151.32
  5. Step 5: Solve for x
    x = 153,053,380,151.32/408,475.89
  6. Step 6: Final answer
    x = 374,693.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.