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Finding the Fourth Proportional to 652,224.10, 978,336.15 and 231,445.30

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Solution

The fourth proportional to 652,224.10, 978,336.15 and 231,445.30 is: 347,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,224.10 : 978,336.15 = 231,445.30 : x
  2. Step 2: Convert to fraction form
    652,224.10/978,336.15 = 231,445.30/x
  3. Step 3: Cross multiply
    652,224.10x = 978,336.15 × 231,445.30
  4. Step 4: Simplify right side
    652,224.10x = 226,431,303,737.60
  5. Step 5: Solve for x
    x = 226,431,303,737.60/652,224.10
  6. Step 6: Final answer
    x = 347,167.95

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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.