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Finding the Fourth Proportional to 483,458.65, 667,191.50 and 265,676.51

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Solution

The fourth proportional to 483,458.65, 667,191.50 and 265,676.51 is: 366,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,458.65 : 667,191.50 = 265,676.51 : x
  2. Step 2: Convert to fraction form
    483,458.65/667,191.50 = 265,676.51/x
  3. Step 3: Cross multiply
    483,458.65x = 667,191.50 × 265,676.51
  4. Step 4: Simplify right side
    483,458.65x = 177,257,109,221.67
  5. Step 5: Solve for x
    x = 177,257,109,221.67/483,458.65
  6. Step 6: Final answer
    x = 366,643.78

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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.