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Finding the Fourth Proportional to 376,464.77, 519,530.40 and 204,389.97

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Solution

The fourth proportional to 376,464.77, 519,530.40 and 204,389.97 is: 282,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,464.77 : 519,530.40 = 204,389.97 : x
  2. Step 2: Convert to fraction form
    376,464.77/519,530.40 = 204,389.97/x
  3. Step 3: Cross multiply
    376,464.77x = 519,530.40 × 204,389.97
  4. Step 4: Simplify right side
    376,464.77x = 106,186,801,848.14
  5. Step 5: Solve for x
    x = 106,186,801,848.14/376,464.77
  6. Step 6: Final answer
    x = 282,063.06

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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.