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Finding the Fourth Proportional to 481,851.52, 722,268.65 and 161,699.83

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Solution

The fourth proportional to 481,851.52, 722,268.65 and 161,699.83 is: 242,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,851.52 : 722,268.65 = 161,699.83 : x
  2. Step 2: Convert to fraction form
    481,851.52/722,268.65 = 161,699.83/x
  3. Step 3: Cross multiply
    481,851.52x = 722,268.65 × 161,699.83
  4. Step 4: Simplify right side
    481,851.52x = 116,790,719,678.67
  5. Step 5: Solve for x
    x = 116,790,719,678.67/481,851.52
  6. Step 6: Final answer
    x = 242,379.06

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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.