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Finding the Fourth Proportional to 635,902.34, 877,584.47 and 363,964.43

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Solution

The fourth proportional to 635,902.34, 877,584.47 and 363,964.43 is: 502,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,902.34 : 877,584.47 = 363,964.43 : x
  2. Step 2: Convert to fraction form
    635,902.34/877,584.47 = 363,964.43/x
  3. Step 3: Cross multiply
    635,902.34x = 877,584.47 × 363,964.43
  4. Step 4: Simplify right side
    635,902.34x = 319,409,531,774.54
  5. Step 5: Solve for x
    x = 319,409,531,774.54/635,902.34
  6. Step 6: Final answer
    x = 502,293.38

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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.