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Finding the Fourth Proportional to 635,541.12, 877,053.96 and 349,067.88

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Solution

The fourth proportional to 635,541.12, 877,053.96 and 349,067.88 is: 481,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,541.12 : 877,053.96 = 349,067.88 : x
  2. Step 2: Convert to fraction form
    635,541.12/877,053.96 = 349,067.88/x
  3. Step 3: Cross multiply
    635,541.12x = 877,053.96 × 349,067.88
  4. Step 4: Simplify right side
    635,541.12x = 306,151,366,462.81
  5. Step 5: Solve for x
    x = 306,151,366,462.81/635,541.12
  6. Step 6: Final answer
    x = 481,717.64

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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.