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Finding the Fourth Proportional to 635,255.44, 876,654.22 and 348,794.08

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Solution

The fourth proportional to 635,255.44, 876,654.22 and 348,794.08 is: 481,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,255.44 : 876,654.22 = 348,794.08 : x
  2. Step 2: Convert to fraction form
    635,255.44/876,654.22 = 348,794.08/x
  3. Step 3: Cross multiply
    635,255.44x = 876,654.22 × 348,794.08
  4. Step 4: Simplify right side
    635,255.44x = 305,771,802,143.02
  5. Step 5: Solve for x
    x = 305,771,802,143.02/635,255.44
  6. Step 6: Final answer
    x = 481,336.77

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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.