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Finding the Fourth Proportional to 373,809.06, 515,857.14 and 204,043.32

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Solution

The fourth proportional to 373,809.06, 515,857.14 and 204,043.32 is: 281,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,809.06 : 515,857.14 = 204,043.32 : x
  2. Step 2: Convert to fraction form
    373,809.06/515,857.14 = 204,043.32/x
  3. Step 3: Cross multiply
    373,809.06x = 515,857.14 × 204,043.32
  4. Step 4: Simplify right side
    373,809.06x = 105,257,203,491.31
  5. Step 5: Solve for x
    x = 105,257,203,491.31/373,809.06
  6. Step 6: Final answer
    x = 281,580.13

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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.