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Finding the Fourth Proportional to 635,519.01, 877,143.52 and 377,539.26

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Solution

The fourth proportional to 635,519.01, 877,143.52 and 377,539.26 is: 521,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,519.01 : 877,143.52 = 377,539.26 : x
  2. Step 2: Convert to fraction form
    635,519.01/877,143.52 = 377,539.26/x
  3. Step 3: Cross multiply
    635,519.01x = 877,143.52 × 377,539.26
  4. Step 4: Simplify right side
    635,519.01x = 331,156,118,976.30
  5. Step 5: Solve for x
    x = 331,156,118,976.30/635,519.01
  6. Step 6: Final answer
    x = 521,079.80

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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.