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Finding the Fourth Proportional to 408,022.70, 562,906.91 and 246,597.50

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Solution

The fourth proportional to 408,022.70, 562,906.91 and 246,597.50 is: 340,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,022.70 : 562,906.91 = 246,597.50 : x
  2. Step 2: Convert to fraction form
    408,022.70/562,906.91 = 246,597.50/x
  3. Step 3: Cross multiply
    408,022.70x = 562,906.91 × 246,597.50
  4. Step 4: Simplify right side
    408,022.70x = 138,811,432,691.20
  5. Step 5: Solve for x
    x = 138,811,432,691.20/408,022.70
  6. Step 6: Final answer
    x = 340,205.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.