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Finding the Fourth Proportional to 373,881.87, 515,937.45 and 204,083.19

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Solution

The fourth proportional to 373,881.87, 515,937.45 and 204,083.19 is: 281,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,881.87 : 515,937.45 = 204,083.19 : x
  2. Step 2: Convert to fraction form
    373,881.87/515,937.45 = 204,083.19/x
  3. Step 3: Cross multiply
    373,881.87x = 515,937.45 × 204,083.19
  4. Step 4: Simplify right side
    373,881.87x = 105,294,160,636.47
  5. Step 5: Solve for x
    x = 105,294,160,636.47/373,881.87
  6. Step 6: Final answer
    x = 281,624.14

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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.