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Finding the Fourth Proportional to 635,908.93, 877,544.35 and 349,422.86

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Solution

The fourth proportional to 635,908.93, 877,544.35 and 349,422.86 is: 482,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,908.93 : 877,544.35 = 349,422.86 : x
  2. Step 2: Convert to fraction form
    635,908.93/877,544.35 = 349,422.86/x
  3. Step 3: Cross multiply
    635,908.93x = 877,544.35 × 349,422.86
  4. Step 4: Simplify right side
    635,908.93x = 306,634,057,874.15
  5. Step 5: Solve for x
    x = 306,634,057,874.15/635,908.93
  6. Step 6: Final answer
    x = 482,198.07

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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.