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Finding the Fourth Proportional to 341,512.32, 512,629.20 and 191,880.48

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Solution

The fourth proportional to 341,512.32, 512,629.20 and 191,880.48 is: 288,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,512.32 : 512,629.20 = 191,880.48 : x
  2. Step 2: Convert to fraction form
    341,512.32/512,629.20 = 191,880.48/x
  3. Step 3: Cross multiply
    341,512.32x = 512,629.20 × 191,880.48
  4. Step 4: Simplify right side
    341,512.32x = 98,363,536,958.02
  5. Step 5: Solve for x
    x = 98,363,536,958.02/341,512.32
  6. Step 6: Final answer
    x = 288,023.39

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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.