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Finding the Fourth Proportional to 335,559.34, 503,340.05 and 82,839.85

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Solution

The fourth proportional to 335,559.34, 503,340.05 and 82,839.85 is: 124,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,559.34 : 503,340.05 = 82,839.85 : x
  2. Step 2: Convert to fraction form
    335,559.34/503,340.05 = 82,839.85/x
  3. Step 3: Cross multiply
    335,559.34x = 503,340.05 × 82,839.85
  4. Step 4: Simplify right side
    335,559.34x = 41,696,614,033.89
  5. Step 5: Solve for x
    x = 41,696,614,033.89/335,559.34
  6. Step 6: Final answer
    x = 124,260.03

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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.