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Finding the Fourth Proportional to 341,512.70, 512,414.85 and 163,928.30

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Solution

The fourth proportional to 341,512.70, 512,414.85 and 163,928.30 is: 245,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,512.70 : 512,414.85 = 163,928.30 : x
  2. Step 2: Convert to fraction form
    341,512.70/512,414.85 = 163,928.30/x
  3. Step 3: Cross multiply
    341,512.70x = 512,414.85 × 163,928.30
  4. Step 4: Simplify right side
    341,512.70x = 83,999,295,255.26
  5. Step 5: Solve for x
    x = 83,999,295,255.26/341,512.70
  6. Step 6: Final answer
    x = 245,962.43

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1.5x scale

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.