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Finding the Fourth Proportional to 635,522.72, 877,021.80 and 349,057.04

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Solution

The fourth proportional to 635,522.72, 877,021.80 and 349,057.04 is: 481,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,522.72 : 877,021.80 = 349,057.04 : x
  2. Step 2: Convert to fraction form
    635,522.72/877,021.80 = 349,057.04/x
  3. Step 3: Cross multiply
    635,522.72x = 877,021.80 × 349,057.04
  4. Step 4: Simplify right side
    635,522.72x = 306,130,633,523.47
  5. Step 5: Solve for x
    x = 306,130,633,523.47/635,522.72
  6. Step 6: Final answer
    x = 481,698.96

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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.