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Finding the Fourth Proportional to 322,599.66, 483,978.87 and 112,239.42

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Solution

The fourth proportional to 322,599.66, 483,978.87 and 112,239.42 is: 168,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,599.66 : 483,978.87 = 112,239.42 : x
  2. Step 2: Convert to fraction form
    322,599.66/483,978.87 = 112,239.42/x
  3. Step 3: Cross multiply
    322,599.66x = 483,978.87 × 112,239.42
  4. Step 4: Simplify right side
    322,599.66x = 54,321,507,661.06
  5. Step 5: Solve for x
    x = 54,321,507,661.06/322,599.66
  6. Step 6: Final answer
    x = 168,386.75

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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.