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Finding the Fourth Proportional to 522,860.06, 721,546.89 and 296,505.56

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Solution

The fourth proportional to 522,860.06, 721,546.89 and 296,505.56 is: 409,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,860.06 : 721,546.89 = 296,505.56 : x
  2. Step 2: Convert to fraction form
    522,860.06/721,546.89 = 296,505.56/x
  3. Step 3: Cross multiply
    522,860.06x = 721,546.89 × 296,505.56
  4. Step 4: Simplify right side
    522,860.06x = 213,942,665,377.68
  5. Step 5: Solve for x
    x = 213,942,665,377.68/522,860.06
  6. Step 6: Final answer
    x = 409,177.68

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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.