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Finding the Fourth Proportional to 481,457.57, 664,403.31 and 266,593.01

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Solution

The fourth proportional to 481,457.57, 664,403.31 and 266,593.01 is: 367,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,457.57 : 664,403.31 = 266,593.01 : x
  2. Step 2: Convert to fraction form
    481,457.57/664,403.31 = 266,593.01/x
  3. Step 3: Cross multiply
    481,457.57x = 664,403.31 × 266,593.01
  4. Step 4: Simplify right side
    481,457.57x = 177,125,274,944.85
  5. Step 5: Solve for x
    x = 177,125,274,944.85/481,457.57
  6. Step 6: Final answer
    x = 367,893.85

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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.