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Finding the Fourth Proportional to 635,843.52, 877,464.54 and 349,382.16

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Solution

The fourth proportional to 635,843.52, 877,464.54 and 349,382.16 is: 482,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,843.52 : 877,464.54 = 349,382.16 : x
  2. Step 2: Convert to fraction form
    635,843.52/877,464.54 = 349,382.16/x
  3. Step 3: Cross multiply
    635,843.52x = 877,464.54 × 349,382.16
  4. Step 4: Simplify right side
    635,843.52x = 306,570,456,308.61
  5. Step 5: Solve for x
    x = 306,570,456,308.61/635,843.52
  6. Step 6: Final answer
    x = 482,147.65

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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.