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Finding the Fourth Proportional to 652,344.55, 978,583.75 and 225,879.75

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Solution

The fourth proportional to 652,344.55, 978,583.75 and 225,879.75 is: 338,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,344.55 : 978,583.75 = 225,879.75 : x
  2. Step 2: Convert to fraction form
    652,344.55/978,583.75 = 225,879.75/x
  3. Step 3: Cross multiply
    652,344.55x = 978,583.75 × 225,879.75
  4. Step 4: Simplify right side
    652,344.55x = 221,042,252,239.36
  5. Step 5: Solve for x
    x = 221,042,252,239.36/652,344.55
  6. Step 6: Final answer
    x = 338,842.80

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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.