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Finding the Fourth Proportional to 404,874.48, 558,202.68 and 277,322.16

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Solution

The fourth proportional to 404,874.48, 558,202.68 and 277,322.16 is: 382,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,874.48 : 558,202.68 = 277,322.16 : x
  2. Step 2: Convert to fraction form
    404,874.48/558,202.68 = 277,322.16/x
  3. Step 3: Cross multiply
    404,874.48x = 558,202.68 × 277,322.16
  4. Step 4: Simplify right side
    404,874.48x = 154,801,972,935.39
  5. Step 5: Solve for x
    x = 154,801,972,935.39/404,874.48
  6. Step 6: Final answer
    x = 382,345.59

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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.