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Finding the Fourth Proportional to 231,880.70, 347,821.05 and 231,880.70

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Solution

The fourth proportional to 231,880.70, 347,821.05 and 231,880.70 is: 347,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,880.70 : 347,821.05 = 231,880.70 : x
  2. Step 2: Convert to fraction form
    231,880.70/347,821.05 = 231,880.70/x
  3. Step 3: Cross multiply
    231,880.70x = 347,821.05 × 231,880.70
  4. Step 4: Simplify right side
    231,880.70x = 80,652,988,548.74
  5. Step 5: Solve for x
    x = 80,652,988,548.74/231,880.70
  6. Step 6: Final answer
    x = 347,821.05

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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.