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Finding the Fourth Proportional to 635,008.26, 876,328.02 and 363,120.42

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Solution

The fourth proportional to 635,008.26, 876,328.02 and 363,120.42 is: 501,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,008.26 : 876,328.02 = 363,120.42 : x
  2. Step 2: Convert to fraction form
    635,008.26/876,328.02 = 363,120.42/x
  3. Step 3: Cross multiply
    635,008.26x = 876,328.02 × 363,120.42
  4. Step 4: Simplify right side
    635,008.26x = 318,212,598,680.17
  5. Step 5: Solve for x
    x = 318,212,598,680.17/635,008.26
  6. Step 6: Final answer
    x = 501,115.68

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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.