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Finding the Fourth Proportional to 635,844.06, 877,464.09 and 349,363.44

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Solution

The fourth proportional to 635,844.06, 877,464.09 and 349,363.44 is: 482,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,844.06 : 877,464.09 = 349,363.44 : x
  2. Step 2: Convert to fraction form
    635,844.06/877,464.09 = 349,363.44/x
  3. Step 3: Cross multiply
    635,844.06x = 877,464.09 × 349,363.44
  4. Step 4: Simplify right side
    635,844.06x = 306,553,872,958.87
  5. Step 5: Solve for x
    x = 306,553,872,958.87/635,844.06
  6. Step 6: Final answer
    x = 482,121.16

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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.