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Finding the Fourth Proportional to 550,081.82, 759,119.79 and 335,241.87

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Solution

The fourth proportional to 550,081.82, 759,119.79 and 335,241.87 is: 462,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,081.82 : 759,119.79 = 335,241.87 : x
  2. Step 2: Convert to fraction form
    550,081.82/759,119.79 = 335,241.87/x
  3. Step 3: Cross multiply
    550,081.82x = 759,119.79 × 335,241.87
  4. Step 4: Simplify right side
    550,081.82x = 254,488,737,953.61
  5. Step 5: Solve for x
    x = 254,488,737,953.61/550,081.82
  6. Step 6: Final answer
    x = 462,637.98

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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.