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Finding the Fourth Proportional to 635,610.22, 877,118.54 and 349,113.22

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Solution

The fourth proportional to 635,610.22, 877,118.54 and 349,113.22 is: 481,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,610.22 : 877,118.54 = 349,113.22 : x
  2. Step 2: Convert to fraction form
    635,610.22/877,118.54 = 349,113.22/x
  3. Step 3: Cross multiply
    635,610.22x = 877,118.54 × 349,113.22
  4. Step 4: Simplify right side
    635,610.22x = 306,213,677,821.10
  5. Step 5: Solve for x
    x = 306,213,677,821.10/635,610.22
  6. Step 6: Final answer
    x = 481,763.30

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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.