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Finding the Fourth Proportional to 263,356.61, 393,995.57 and 202,927.28

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Solution

The fourth proportional to 263,356.61, 393,995.57 and 202,927.28 is: 303,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,356.61 : 393,995.57 = 202,927.28 : x
  2. Step 2: Convert to fraction form
    263,356.61/393,995.57 = 202,927.28/x
  3. Step 3: Cross multiply
    263,356.61x = 393,995.57 × 202,927.28
  4. Step 4: Simplify right side
    263,356.61x = 79,952,446,367.54
  5. Step 5: Solve for x
    x = 79,952,446,367.54/263,356.61
  6. Step 6: Final answer
    x = 303,590.06

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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.