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Finding the Fourth Proportional to 635,452.88, 876,940.22 and 348,979.12

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Solution

The fourth proportional to 635,452.88, 876,940.22 and 348,979.12 is: 481,599.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,452.88 : 876,940.22 = 348,979.12 : x
  2. Step 2: Convert to fraction form
    635,452.88/876,940.22 = 348,979.12/x
  3. Step 3: Cross multiply
    635,452.88x = 876,940.22 × 348,979.12
  4. Step 4: Simplify right side
    635,452.88x = 306,033,824,948.30
  5. Step 5: Solve for x
    x = 306,033,824,948.30/635,452.88
  6. Step 6: Final answer
    x = 481,599.56

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1.5x scale

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.