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Finding the Fourth Proportional to 605,046.47, 907,481.79 and 178,561.49

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Solution

The fourth proportional to 605,046.47, 907,481.79 and 178,561.49 is: 267,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,046.47 : 907,481.79 = 178,561.49 : x
  2. Step 2: Convert to fraction form
    605,046.47/907,481.79 = 178,561.49/x
  3. Step 3: Cross multiply
    605,046.47x = 907,481.79 × 178,561.49
  4. Step 4: Simplify right side
    605,046.47x = 162,041,296,032.86
  5. Step 5: Solve for x
    x = 162,041,296,032.86/605,046.47
  6. Step 6: Final answer
    x = 267,816.28

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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.