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Finding the Fourth Proportional to 635,958.05, 877,606.65 and 364,008.74

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Solution

The fourth proportional to 635,958.05, 877,606.65 and 364,008.74 is: 502,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,958.05 : 877,606.65 = 364,008.74 : x
  2. Step 2: Convert to fraction form
    635,958.05/877,606.65 = 364,008.74/x
  3. Step 3: Cross multiply
    635,958.05x = 877,606.65 × 364,008.74
  4. Step 4: Simplify right side
    635,958.05x = 319,456,486,494.09
  5. Step 5: Solve for x
    x = 319,456,486,494.09/635,958.05
  6. Step 6: Final answer
    x = 502,323.21

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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.