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Finding the Fourth Proportional to 481,642.68, 722,930.58 and 232,499.64

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Solution

The fourth proportional to 481,642.68, 722,930.58 and 232,499.64 is: 348,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,642.68 : 722,930.58 = 232,499.64 : x
  2. Step 2: Convert to fraction form
    481,642.68/722,930.58 = 232,499.64/x
  3. Step 3: Cross multiply
    481,642.68x = 722,930.58 × 232,499.64
  4. Step 4: Simplify right side
    481,642.68x = 168,081,099,594.99
  5. Step 5: Solve for x
    x = 168,081,099,594.99/481,642.68
  6. Step 6: Final answer
    x = 348,974.68

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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.