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Finding the Fourth Proportional to 339,671.54, 468,305.97 and 218,596.34

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Solution

The fourth proportional to 339,671.54, 468,305.97 and 218,596.34 is: 301,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,671.54 : 468,305.97 = 218,596.34 : x
  2. Step 2: Convert to fraction form
    339,671.54/468,305.97 = 218,596.34/x
  3. Step 3: Cross multiply
    339,671.54x = 468,305.97 × 218,596.34
  4. Step 4: Simplify right side
    339,671.54x = 102,369,971,042.15
  5. Step 5: Solve for x
    x = 102,369,971,042.15/339,671.54
  6. Step 6: Final answer
    x = 301,379.30

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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.