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Finding the Fourth Proportional to 442,077.75, 610,072.16 and 240,873.75

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Solution

The fourth proportional to 442,077.75, 610,072.16 and 240,873.75 is: 332,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,077.75 : 610,072.16 = 240,873.75 : x
  2. Step 2: Convert to fraction form
    442,077.75/610,072.16 = 240,873.75/x
  3. Step 3: Cross multiply
    442,077.75x = 610,072.16 × 240,873.75
  4. Step 4: Simplify right side
    442,077.75x = 146,950,367,745.43
  5. Step 5: Solve for x
    x = 146,950,367,745.43/442,077.75
  6. Step 6: Final answer
    x = 332,408.42

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1.5x scale

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.