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Finding the Fourth Proportional to 440,267, 607,568.46 and 239,063

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Solution

The fourth proportional to 440,267, 607,568.46 and 239,063 is: 329,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,267 : 607,568.46 = 239,063 : x
  2. Step 2: Convert to fraction form
    440,267/607,568.46 = 239,063/x
  3. Step 3: Cross multiply
    440,267x = 607,568.46 × 239,063
  4. Step 4: Simplify right side
    440,267x = 145,247,138,752.98
  5. Step 5: Solve for x
    x = 145,247,138,752.98/440,267
  6. Step 6: Final answer
    x = 329,906.94

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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.