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Finding the Fourth Proportional to 371,773.31, 513,050.31 and 202,007.43

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Solution

The fourth proportional to 371,773.31, 513,050.31 and 202,007.43 is: 278,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,773.31 : 513,050.31 = 202,007.43 : x
  2. Step 2: Convert to fraction form
    371,773.31/513,050.31 = 202,007.43/x
  3. Step 3: Cross multiply
    371,773.31x = 513,050.31 × 202,007.43
  4. Step 4: Simplify right side
    371,773.31x = 103,639,974,583.80
  5. Step 5: Solve for x
    x = 103,639,974,583.80/371,773.31
  6. Step 6: Final answer
    x = 278,771.96

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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.