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Finding the Fourth Proportional to 635,329.44, 876,764.88 and 348,876

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Solution

The fourth proportional to 635,329.44, 876,764.88 and 348,876 is: 481,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,329.44 : 876,764.88 = 348,876 : x
  2. Step 2: Convert to fraction form
    635,329.44/876,764.88 = 348,876/x
  3. Step 3: Cross multiply
    635,329.44x = 876,764.88 × 348,876
  4. Step 4: Simplify right side
    635,329.44x = 305,882,224,274.88
  5. Step 5: Solve for x
    x = 305,882,224,274.88/635,329.44
  6. Step 6: Final answer
    x = 481,454.51

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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.