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Finding the Fourth Proportional to 483,438.24, 667,156.64 and 265,645.14

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Solution

The fourth proportional to 483,438.24, 667,156.64 and 265,645.14 is: 366,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,438.24 : 667,156.64 = 265,645.14 : x
  2. Step 2: Convert to fraction form
    483,438.24/667,156.64 = 265,645.14/x
  3. Step 3: Cross multiply
    483,438.24x = 667,156.64 × 265,645.14
  4. Step 4: Simplify right side
    483,438.24x = 177,226,915,204.67
  5. Step 5: Solve for x
    x = 177,226,915,204.67/483,438.24
  6. Step 6: Final answer
    x = 366,596.81

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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.