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Finding the Fourth Proportional to 606,586.28, 909,986.49 and 207,133.47

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Solution

The fourth proportional to 606,586.28, 909,986.49 and 207,133.47 is: 310,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,586.28 : 909,986.49 = 207,133.47 : x
  2. Step 2: Convert to fraction form
    606,586.28/909,986.49 = 207,133.47/x
  3. Step 3: Cross multiply
    606,586.28x = 909,986.49 × 207,133.47
  4. Step 4: Simplify right side
    606,586.28x = 188,488,659,326.82
  5. Step 5: Solve for x
    x = 188,488,659,326.82/606,586.28
  6. Step 6: Final answer
    x = 310,736.77

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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.