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Finding the Fourth Proportional to 606,615.23, 909,843.55 and 180,142.33

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Solution

The fourth proportional to 606,615.23, 909,843.55 and 180,142.33 is: 270,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,615.23 : 909,843.55 = 180,142.33 : x
  2. Step 2: Convert to fraction form
    606,615.23/909,843.55 = 180,142.33/x
  3. Step 3: Cross multiply
    606,615.23x = 909,843.55 × 180,142.33
  4. Step 4: Simplify right side
    606,615.23x = 163,901,337,032.47
  5. Step 5: Solve for x
    x = 163,901,337,032.47/606,615.23
  6. Step 6: Final answer
    x = 270,189.95

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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.