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Finding the Fourth Proportional to 245,080.10, 367,620.15 and 205,714.10

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Solution

The fourth proportional to 245,080.10, 367,620.15 and 205,714.10 is: 308,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,080.10 : 367,620.15 = 205,714.10 : x
  2. Step 2: Convert to fraction form
    245,080.10/367,620.15 = 205,714.10/x
  3. Step 3: Cross multiply
    245,080.10x = 367,620.15 × 205,714.10
  4. Step 4: Simplify right side
    245,080.10x = 75,624,648,299.12
  5. Step 5: Solve for x
    x = 75,624,648,299.12/245,080.10
  6. Step 6: Final answer
    x = 308,571.15

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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.