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Finding the Fourth Proportional to 635,558.49, 876,857.27 and 359,878.77

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Solution

The fourth proportional to 635,558.49, 876,857.27 and 359,878.77 is: 496,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,558.49 : 876,857.27 = 359,878.77 : x
  2. Step 2: Convert to fraction form
    635,558.49/876,857.27 = 359,878.77/x
  3. Step 3: Cross multiply
    635,558.49x = 876,857.27 × 359,878.77
  4. Step 4: Simplify right side
    635,558.49x = 315,562,313,993.76
  5. Step 5: Solve for x
    x = 315,562,313,993.76/635,558.49
  6. Step 6: Final answer
    x = 496,511.84

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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.