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Finding the Fourth Proportional to 635,331, 876,756.80 and 367,059

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Solution

The fourth proportional to 635,331, 876,756.80 and 367,059 is: 506,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,331 : 876,756.80 = 367,059 : x
  2. Step 2: Convert to fraction form
    635,331/876,756.80 = 367,059/x
  3. Step 3: Cross multiply
    635,331x = 876,756.80 × 367,059
  4. Step 4: Simplify right side
    635,331x = 321,821,474,251.20
  5. Step 5: Solve for x
    x = 321,821,474,251.20/635,331
  6. Step 6: Final answer
    x = 506,541.43

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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.