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Finding the Fourth Proportional to 635,556.12, 877,074.66 and 349,082.88

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Solution

The fourth proportional to 635,556.12, 877,074.66 and 349,082.88 is: 481,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,556.12 : 877,074.66 = 349,082.88 : x
  2. Step 2: Convert to fraction form
    635,556.12/877,074.66 = 349,082.88/x
  3. Step 3: Cross multiply
    635,556.12x = 877,074.66 × 349,082.88
  4. Step 4: Simplify right side
    635,556.12x = 306,171,748,287.82
  5. Step 5: Solve for x
    x = 306,171,748,287.82/635,556.12
  6. Step 6: Final answer
    x = 481,738.34

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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.