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Finding the Fourth Proportional to 245,679.39, 339,222.32 and 241,755.84

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Solution

The fourth proportional to 245,679.39, 339,222.32 and 241,755.84 is: 333,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,679.39 : 339,222.32 = 241,755.84 : x
  2. Step 2: Convert to fraction form
    245,679.39/339,222.32 = 241,755.84/x
  3. Step 3: Cross multiply
    245,679.39x = 339,222.32 × 241,755.84
  4. Step 4: Simplify right side
    245,679.39x = 82,008,976,918.35
  5. Step 5: Solve for x
    x = 82,008,976,918.35/245,679.39
  6. Step 6: Final answer
    x = 333,804.87

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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.