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Finding the Fourth Proportional to 484,070.96, 667,997.31 and 266,265.81

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Solution

The fourth proportional to 484,070.96, 667,997.31 and 266,265.81 is: 367,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,070.96 : 667,997.31 = 266,265.81 : x
  2. Step 2: Convert to fraction form
    484,070.96/667,997.31 = 266,265.81/x
  3. Step 3: Cross multiply
    484,070.96x = 667,997.31 × 266,265.81
  4. Step 4: Simplify right side
    484,070.96x = 177,864,843,493.64
  5. Step 5: Solve for x
    x = 177,864,843,493.64/484,070.96
  6. Step 6: Final answer
    x = 367,435.48

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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.