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Finding the Fourth Proportional to 635,255.06, 876,653.70 and 348,793.70

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Solution

The fourth proportional to 635,255.06, 876,653.70 and 348,793.70 is: 481,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,255.06 : 876,653.70 = 348,793.70 : x
  2. Step 2: Convert to fraction form
    635,255.06/876,653.70 = 348,793.70/x
  3. Step 3: Cross multiply
    635,255.06x = 876,653.70 × 348,793.70
  4. Step 4: Simplify right side
    635,255.06x = 305,771,287,641.69
  5. Step 5: Solve for x
    x = 305,771,287,641.69/635,255.06
  6. Step 6: Final answer
    x = 481,336.25

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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.