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Finding the Fourth Proportional to 336,340.64, 504,645.37 and 136,676.65

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Solution

The fourth proportional to 336,340.64, 504,645.37 and 136,676.65 is: 205,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,340.64 : 504,645.37 = 136,676.65 : x
  2. Step 2: Convert to fraction form
    336,340.64/504,645.37 = 136,676.65/x
  3. Step 3: Cross multiply
    336,340.64x = 504,645.37 × 136,676.65
  4. Step 4: Simplify right side
    336,340.64x = 68,973,238,609.61
  5. Step 5: Solve for x
    x = 68,973,238,609.61/336,340.64
  6. Step 6: Final answer
    x = 205,069.59

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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.