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Finding the Fourth Proportional to 373,896.84, 515,974.94 and 204,130.96

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Solution

The fourth proportional to 373,896.84, 515,974.94 and 204,130.96 is: 281,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,896.84 : 515,974.94 = 204,130.96 : x
  2. Step 2: Convert to fraction form
    373,896.84/515,974.94 = 204,130.96/x
  3. Step 3: Cross multiply
    373,896.84x = 515,974.94 × 204,130.96
  4. Step 4: Simplify right side
    373,896.84x = 105,326,459,838.14
  5. Step 5: Solve for x
    x = 105,326,459,838.14/373,896.84
  6. Step 6: Final answer
    x = 281,699.25

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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.