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Finding the Fourth Proportional to 906,998.41, 1,360,694.41 and 275,895.82

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Solution

The fourth proportional to 906,998.41, 1,360,694.41 and 275,895.82 is: 413,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,998.41 : 1,360,694.41 = 275,895.82 : x
  2. Step 2: Convert to fraction form
    906,998.41/1,360,694.41 = 275,895.82/x
  3. Step 3: Cross multiply
    906,998.41x = 1,360,694.41 × 275,895.82
  4. Step 4: Simplify right side
    906,998.41x = 375,409,900,016.37
  5. Step 5: Solve for x
    x = 375,409,900,016.37/906,998.41
  6. Step 6: Final answer
    x = 413,903.59

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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.