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Finding the Fourth Proportional to 635,993.88, 877,653.27 and 349,513.62

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Solution

The fourth proportional to 635,993.88, 877,653.27 and 349,513.62 is: 482,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,993.88 : 877,653.27 = 349,513.62 : x
  2. Step 2: Convert to fraction form
    635,993.88/877,653.27 = 349,513.62/x
  3. Step 3: Cross multiply
    635,993.88x = 877,653.27 × 349,513.62
  4. Step 4: Simplify right side
    635,993.88x = 306,751,771,502.54
  5. Step 5: Solve for x
    x = 306,751,771,502.54/635,993.88
  6. Step 6: Final answer
    x = 482,318.75

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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.