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Finding the Fourth Proportional to 635,558.62, 877,078.11 and 349,085.38

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Solution

The fourth proportional to 635,558.62, 877,078.11 and 349,085.38 is: 481,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,558.62 : 877,078.11 = 349,085.38 : x
  2. Step 2: Convert to fraction form
    635,558.62/877,078.11 = 349,085.38/x
  3. Step 3: Cross multiply
    635,558.62x = 877,078.11 × 349,085.38
  4. Step 4: Simplify right side
    635,558.62x = 306,175,145,319.03
  5. Step 5: Solve for x
    x = 306,175,145,319.03/635,558.62
  6. Step 6: Final answer
    x = 481,741.79

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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.