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Finding the Fourth Proportional to 606,218.52, 909,327.63 and 206,859.27

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Solution

The fourth proportional to 606,218.52, 909,327.63 and 206,859.27 is: 310,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,218.52 : 909,327.63 = 206,859.27 : x
  2. Step 2: Convert to fraction form
    606,218.52/909,327.63 = 206,859.27/x
  3. Step 3: Cross multiply
    606,218.52x = 909,327.63 × 206,859.27
  4. Step 4: Simplify right side
    606,218.52x = 188,102,849,732.63
  5. Step 5: Solve for x
    x = 188,102,849,732.63/606,218.52
  6. Step 6: Final answer
    x = 310,288.85

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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.