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Finding the Fourth Proportional to 550,187.88, 759,394.34 and 335,446.36

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Solution

The fourth proportional to 550,187.88, 759,394.34 and 335,446.36 is: 462,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,187.88 : 759,394.34 = 335,446.36 : x
  2. Step 2: Convert to fraction form
    550,187.88/759,394.34 = 335,446.36/x
  3. Step 3: Cross multiply
    550,187.88x = 759,394.34 × 335,446.36
  4. Step 4: Simplify right side
    550,187.88x = 254,736,067,157.60
  5. Step 5: Solve for x
    x = 254,736,067,157.60/550,187.88
  6. Step 6: Final answer
    x = 462,998.33

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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.