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Finding the Fourth Proportional to 334,394.82, 501,486.89 and 109,702.89

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Solution

The fourth proportional to 334,394.82, 501,486.89 and 109,702.89 is: 164,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,394.82 : 501,486.89 = 109,702.89 : x
  2. Step 2: Convert to fraction form
    334,394.82/501,486.89 = 109,702.89/x
  3. Step 3: Cross multiply
    334,394.82x = 501,486.89 × 109,702.89
  4. Step 4: Simplify right side
    334,394.82x = 55,014,560,581.60
  5. Step 5: Solve for x
    x = 55,014,560,581.60/334,394.82
  6. Step 6: Final answer
    x = 164,519.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.