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Finding the Fourth Proportional to 635,265.45, 876,416.31 and 363,187.17

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Solution

The fourth proportional to 635,265.45, 876,416.31 and 363,187.17 is: 501,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,265.45 : 876,416.31 = 363,187.17 : x
  2. Step 2: Convert to fraction form
    635,265.45/876,416.31 = 363,187.17/x
  3. Step 3: Cross multiply
    635,265.45x = 876,416.31 × 363,187.17
  4. Step 4: Simplify right side
    635,265.45x = 318,303,159,370.74
  5. Step 5: Solve for x
    x = 318,303,159,370.74/635,265.45
  6. Step 6: Final answer
    x = 501,055.36

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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.