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Finding the Fourth Proportional to 635,234.76, 876,634.92 and 348,766.92

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Solution

The fourth proportional to 635,234.76, 876,634.92 and 348,766.92 is: 481,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,234.76 : 876,634.92 = 348,766.92 : x
  2. Step 2: Convert to fraction form
    635,234.76/876,634.92 = 348,766.92/x
  3. Step 3: Cross multiply
    635,234.76x = 876,634.92 × 348,766.92
  4. Step 4: Simplify right side
    635,234.76x = 305,741,261,012.85
  5. Step 5: Solve for x
    x = 305,741,261,012.85/635,234.76
  6. Step 6: Final answer
    x = 481,304.36

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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.