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Finding the Fourth Proportional to 537,687.50, 741,921.90 and 308,202.53

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Solution

The fourth proportional to 537,687.50, 741,921.90 and 308,202.53 is: 425,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,687.50 : 741,921.90 = 308,202.53 : x
  2. Step 2: Convert to fraction form
    537,687.50/741,921.90 = 308,202.53/x
  3. Step 3: Cross multiply
    537,687.50x = 741,921.90 × 308,202.53
  4. Step 4: Simplify right side
    537,687.50x = 228,662,206,642.41
  5. Step 5: Solve for x
    x = 228,662,206,642.41/537,687.50
  6. Step 6: Final answer
    x = 425,269.71

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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.