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Finding the Fourth Proportional to 635,815.08, 877,424.08 and 349,334.44

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Solution

The fourth proportional to 635,815.08, 877,424.08 and 349,334.44 is: 482,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,815.08 : 877,424.08 = 349,334.44 : x
  2. Step 2: Convert to fraction form
    635,815.08/877,424.08 = 349,334.44/x
  3. Step 3: Cross multiply
    635,815.08x = 877,424.08 × 349,334.44
  4. Step 4: Simplify right side
    635,815.08x = 306,514,449,629.32
  5. Step 5: Solve for x
    x = 306,514,449,629.32/635,815.08
  6. Step 6: Final answer
    x = 482,081.13

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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.