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Finding the Fourth Proportional to 466,238.52, 643,406.22 and 265,034.52

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Solution

The fourth proportional to 466,238.52, 643,406.22 and 265,034.52 is: 365,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,238.52 : 643,406.22 = 265,034.52 : x
  2. Step 2: Convert to fraction form
    466,238.52/643,406.22 = 265,034.52/x
  3. Step 3: Cross multiply
    466,238.52x = 643,406.22 × 265,034.52
  4. Step 4: Simplify right side
    466,238.52x = 170,524,858,682.71
  5. Step 5: Solve for x
    x = 170,524,858,682.71/466,238.52
  6. Step 6: Final answer
    x = 365,745.97

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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.