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Finding the Fourth Proportional to 376,605.10, 519,713.36 and 204,521.71

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Solution

The fourth proportional to 376,605.10, 519,713.36 and 204,521.71 is: 282,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,605.10 : 519,713.36 = 204,521.71 : x
  2. Step 2: Convert to fraction form
    376,605.10/519,713.36 = 204,521.71/x
  3. Step 3: Cross multiply
    376,605.10x = 519,713.36 × 204,521.71
  4. Step 4: Simplify right side
    376,605.10x = 106,292,665,667.01
  5. Step 5: Solve for x
    x = 106,292,665,667.01/376,605.10
  6. Step 6: Final answer
    x = 282,239.05

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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.