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Finding the Fourth Proportional to 652,722.08, 978,861.39 and 226,158.36

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Solution

The fourth proportional to 652,722.08, 978,861.39 and 226,158.36 is: 339,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,722.08 : 978,861.39 = 226,158.36 : x
  2. Step 2: Convert to fraction form
    652,722.08/978,861.39 = 226,158.36/x
  3. Step 3: Cross multiply
    652,722.08x = 978,861.39 × 226,158.36
  4. Step 4: Simplify right side
    652,722.08x = 221,377,686,629.72
  5. Step 5: Solve for x
    x = 221,377,686,629.72/652,722.08
  6. Step 6: Final answer
    x = 339,160.72

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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.