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Finding the Fourth Proportional to 652,234.10, 978,351.15 and 231,455.30

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Solution

The fourth proportional to 652,234.10, 978,351.15 and 231,455.30 is: 347,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,234.10 : 978,351.15 = 231,455.30 : x
  2. Step 2: Convert to fraction form
    652,234.10/978,351.15 = 231,455.30/x
  3. Step 3: Cross multiply
    652,234.10x = 978,351.15 × 231,455.30
  4. Step 4: Simplify right side
    652,234.10x = 226,444,558,928.60
  5. Step 5: Solve for x
    x = 226,444,558,928.60/652,234.10
  6. Step 6: Final answer
    x = 347,182.95

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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.