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Finding the Fourth Proportional to 341,536.20, 512,450.10 and 163,951.80

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Solution

The fourth proportional to 341,536.20, 512,450.10 and 163,951.80 is: 245,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,536.20 : 512,450.10 = 163,951.80 : x
  2. Step 2: Convert to fraction form
    341,536.20/512,450.10 = 163,951.80/x
  3. Step 3: Cross multiply
    341,536.20x = 512,450.10 × 163,951.80
  4. Step 4: Simplify right side
    341,536.20x = 84,017,116,305.18
  5. Step 5: Solve for x
    x = 84,017,116,305.18/341,536.20
  6. Step 6: Final answer
    x = 245,997.69

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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.