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Finding the Fourth Proportional to 234,809.74, 352,213.39 and 57,317.68

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Solution

The fourth proportional to 234,809.74, 352,213.39 and 57,317.68 is: 85,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,809.74 : 352,213.39 = 57,317.68 : x
  2. Step 2: Convert to fraction form
    234,809.74/352,213.39 = 57,317.68/x
  3. Step 3: Cross multiply
    234,809.74x = 352,213.39 × 57,317.68
  4. Step 4: Simplify right side
    234,809.74x = 20,188,054,379.74
  5. Step 5: Solve for x
    x = 20,188,054,379.74/234,809.74
  6. Step 6: Final answer
    x = 85,976.22

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1.5x scale

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.