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Finding the Fourth Proportional to 599,612.20, 899,706.30 and 400,028.20

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Solution

The fourth proportional to 599,612.20, 899,706.30 and 400,028.20 is: 600,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,612.20 : 899,706.30 = 400,028.20 : x
  2. Step 2: Convert to fraction form
    599,612.20/899,706.30 = 400,028.20/x
  3. Step 3: Cross multiply
    599,612.20x = 899,706.30 × 400,028.20
  4. Step 4: Simplify right side
    599,612.20x = 359,907,891,717.66
  5. Step 5: Solve for x
    x = 359,907,891,717.66/599,612.20
  6. Step 6: Final answer
    x = 600,234.44

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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.