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Finding the Fourth Proportional to 481,717.60, 722,406.30 and 166,101.10

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Solution

The fourth proportional to 481,717.60, 722,406.30 and 166,101.10 is: 249,093.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,717.60 : 722,406.30 = 166,101.10 : x
  2. Step 2: Convert to fraction form
    481,717.60/722,406.30 = 166,101.10/x
  3. Step 3: Cross multiply
    481,717.60x = 722,406.30 × 166,101.10
  4. Step 4: Simplify right side
    481,717.60x = 119,992,481,076.93
  5. Step 5: Solve for x
    x = 119,992,481,076.93/481,717.60
  6. Step 6: Final answer
    x = 249,093.00

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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.