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Finding the Fourth Proportional to 308,930.20, 463,395.30 and 246,722.20

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Solution

The fourth proportional to 308,930.20, 463,395.30 and 246,722.20 is: 370,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,930.20 : 463,395.30 = 246,722.20 : x
  2. Step 2: Convert to fraction form
    308,930.20/463,395.30 = 246,722.20/x
  3. Step 3: Cross multiply
    308,930.20x = 463,395.30 × 246,722.20
  4. Step 4: Simplify right side
    308,930.20x = 114,329,907,885.66
  5. Step 5: Solve for x
    x = 114,329,907,885.66/308,930.20
  6. Step 6: Final answer
    x = 370,083.30

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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.