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Finding the Fourth Proportional to 341,414.20, 512,121.30 and 164,267.20

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Solution

The fourth proportional to 341,414.20, 512,121.30 and 164,267.20 is: 246,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,414.20 : 512,121.30 = 164,267.20 : x
  2. Step 2: Convert to fraction form
    341,414.20/512,121.30 = 164,267.20/x
  3. Step 3: Cross multiply
    341,414.20x = 512,121.30 × 164,267.20
  4. Step 4: Simplify right side
    341,414.20x = 84,124,732,011.36
  5. Step 5: Solve for x
    x = 84,124,732,011.36/341,414.20
  6. Step 6: Final answer
    x = 246,400.80

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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.