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Finding the Fourth Proportional to 635,263.88, 876,414.10 and 363,185.60

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Solution

The fourth proportional to 635,263.88, 876,414.10 and 363,185.60 is: 501,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,263.88 : 876,414.10 = 363,185.60 : x
  2. Step 2: Convert to fraction form
    635,263.88/876,414.10 = 363,185.60/x
  3. Step 3: Cross multiply
    635,263.88x = 876,414.10 × 363,185.60
  4. Step 4: Simplify right side
    635,263.88x = 318,300,980,756.96
  5. Step 5: Solve for x
    x = 318,300,980,756.96/635,263.88
  6. Step 6: Final answer
    x = 501,053.17

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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.