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Finding the Fourth Proportional to 635,114.48, 876,425.33 and 377,002.31

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Solution

The fourth proportional to 635,114.48, 876,425.33 and 377,002.31 is: 520,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,114.48 : 876,425.33 = 377,002.31 : x
  2. Step 2: Convert to fraction form
    635,114.48/876,425.33 = 377,002.31/x
  3. Step 3: Cross multiply
    635,114.48x = 876,425.33 × 377,002.31
  4. Step 4: Simplify right side
    635,114.48x = 330,414,370,512.89
  5. Step 5: Solve for x
    x = 330,414,370,512.89/635,114.48
  6. Step 6: Final answer
    x = 520,243.80

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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.