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Finding the Fourth Proportional to 341,630.07, 512,469.68 and 131,267.94

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Solution

The fourth proportional to 341,630.07, 512,469.68 and 131,267.94 is: 196,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,630.07 : 512,469.68 = 131,267.94 : x
  2. Step 2: Convert to fraction form
    341,630.07/512,469.68 = 131,267.94/x
  3. Step 3: Cross multiply
    341,630.07x = 512,469.68 × 131,267.94
  4. Step 4: Simplify right side
    341,630.07x = 67,270,838,549.72
  5. Step 5: Solve for x
    x = 67,270,838,549.72/341,630.07
  6. Step 6: Final answer
    x = 196,911.35

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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.