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Finding the Fourth Proportional to 442,908.60, 664,040.94 and 176,589.24

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Solution

The fourth proportional to 442,908.60, 664,040.94 and 176,589.24 is: 264,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,908.60 : 664,040.94 = 176,589.24 : x
  2. Step 2: Convert to fraction form
    442,908.60/664,040.94 = 176,589.24/x
  3. Step 3: Cross multiply
    442,908.60x = 664,040.94 × 176,589.24
  4. Step 4: Simplify right side
    442,908.60x = 117,262,484,923.49
  5. Step 5: Solve for x
    x = 117,262,484,923.49/442,908.60
  6. Step 6: Final answer
    x = 264,755.49

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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.