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Finding the Fourth Proportional to 635,181.15, 876,567.54 and 359,517.09

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Solution

The fourth proportional to 635,181.15, 876,567.54 and 359,517.09 is: 496,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,181.15 : 876,567.54 = 359,517.09 : x
  2. Step 2: Convert to fraction form
    635,181.15/876,567.54 = 359,517.09/x
  3. Step 3: Cross multiply
    635,181.15x = 876,567.54 × 359,517.09
  4. Step 4: Simplify right side
    635,181.15x = 315,141,011,169.26
  5. Step 5: Solve for x
    x = 315,141,011,169.26/635,181.15
  6. Step 6: Final answer
    x = 496,143.52

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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.