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Finding the Fourth Proportional to 635,713.52, 877,274.96 and 345,323.66

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Solution

The fourth proportional to 635,713.52, 877,274.96 and 345,323.66 is: 476,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,713.52 : 877,274.96 = 345,323.66 : x
  2. Step 2: Convert to fraction form
    635,713.52/877,274.96 = 345,323.66/x
  3. Step 3: Cross multiply
    635,713.52x = 877,274.96 × 345,323.66
  4. Step 4: Simplify right side
    635,713.52x = 302,943,793,900.56
  5. Step 5: Solve for x
    x = 302,943,793,900.56/635,713.52
  6. Step 6: Final answer
    x = 476,541.38

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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.