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Finding the Fourth Proportional to 906,996.16, 1,360,691.03 and 275,893.57

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Solution

The fourth proportional to 906,996.16, 1,360,691.03 and 275,893.57 is: 413,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,996.16 : 1,360,691.03 = 275,893.57 : x
  2. Step 2: Convert to fraction form
    906,996.16/1,360,691.03 = 275,893.57/x
  3. Step 3: Cross multiply
    906,996.16x = 1,360,691.03 × 275,893.57
  4. Step 4: Simplify right side
    906,996.16x = 375,405,903,221.68
  5. Step 5: Solve for x
    x = 375,405,903,221.68/906,996.16
  6. Step 6: Final answer
    x = 413,900.21

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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.