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Finding the Fourth Proportional to 502,866.59, 754,297.92 and 203,343.57

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Solution

The fourth proportional to 502,866.59, 754,297.92 and 203,343.57 is: 305,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,866.59 : 754,297.92 = 203,343.57 : x
  2. Step 2: Convert to fraction form
    502,866.59/754,297.92 = 203,343.57/x
  3. Step 3: Cross multiply
    502,866.59x = 754,297.92 × 203,343.57
  4. Step 4: Simplify right side
    502,866.59x = 153,381,631,896.37
  5. Step 5: Solve for x
    x = 153,381,631,896.37/502,866.59
  6. Step 6: Final answer
    x = 305,014.56

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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.