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Finding the Fourth Proportional to 338,885.31, 467,644.77 and 195,636.81

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Solution

The fourth proportional to 338,885.31, 467,644.77 and 195,636.81 is: 269,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,885.31 : 467,644.77 = 195,636.81 : x
  2. Step 2: Convert to fraction form
    338,885.31/467,644.77 = 195,636.81/x
  3. Step 3: Cross multiply
    338,885.31x = 467,644.77 × 195,636.81
  4. Step 4: Simplify right side
    338,885.31x = 91,488,531,015.98
  5. Step 5: Solve for x
    x = 91,488,531,015.98/338,885.31
  6. Step 6: Final answer
    x = 269,969.01

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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.