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Finding the Fourth Proportional to 635,247.72, 876,602.58 and 348,766.20

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Solution

The fourth proportional to 635,247.72, 876,602.58 and 348,766.20 is: 481,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,247.72 : 876,602.58 = 348,766.20 : x
  2. Step 2: Convert to fraction form
    635,247.72/876,602.58 = 348,766.20/x
  3. Step 3: Cross multiply
    635,247.72x = 876,602.58 × 348,766.20
  4. Step 4: Simplify right side
    635,247.72x = 305,729,350,736.80
  5. Step 5: Solve for x
    x = 305,729,350,736.80/635,247.72
  6. Step 6: Final answer
    x = 481,275.79

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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.