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Finding the Fourth Proportional to 440,775, 608,270.04 and 239,571

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Solution

The fourth proportional to 440,775, 608,270.04 and 239,571 is: 330,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,775 : 608,270.04 = 239,571 : x
  2. Step 2: Convert to fraction form
    440,775/608,270.04 = 239,571/x
  3. Step 3: Cross multiply
    440,775x = 608,270.04 × 239,571
  4. Step 4: Simplify right side
    440,775x = 145,723,861,752.84
  5. Step 5: Solve for x
    x = 145,723,861,752.84/440,775
  6. Step 6: Final answer
    x = 330,608.27

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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.