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Finding the Fourth Proportional to 481,035.06, 721,435.95 and 200,399.22

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Solution

The fourth proportional to 481,035.06, 721,435.95 and 200,399.22 is: 300,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,035.06 : 721,435.95 = 200,399.22 : x
  2. Step 2: Convert to fraction form
    481,035.06/721,435.95 = 200,399.22/x
  3. Step 3: Cross multiply
    481,035.06x = 721,435.95 × 200,399.22
  4. Step 4: Simplify right side
    481,035.06x = 144,575,201,659.96
  5. Step 5: Solve for x
    x = 144,575,201,659.96/481,035.06
  6. Step 6: Final answer
    x = 300,550.24

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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.