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Finding the Fourth Proportional to 635,987.73, 877,660.20 and 364,054.13

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Solution

The fourth proportional to 635,987.73, 877,660.20 and 364,054.13 is: 502,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,987.73 : 877,660.20 = 364,054.13 : x
  2. Step 2: Convert to fraction form
    635,987.73/877,660.20 = 364,054.13/x
  3. Step 3: Cross multiply
    635,987.73x = 877,660.20 × 364,054.13
  4. Step 4: Simplify right side
    635,987.73x = 319,515,816,158.33
  5. Step 5: Solve for x
    x = 319,515,816,158.33/635,987.73
  6. Step 6: Final answer
    x = 502,393.05

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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.