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Finding the Fourth Proportional to 2,582,357, 3,874,157.58 and 809,429

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Solution

The fourth proportional to 2,582,357, 3,874,157.58 and 809,429 is: 1,214,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582,357 : 3,874,157.58 = 809,429 : x
  2. Step 2: Convert to fraction form
    2,582,357/3,874,157.58 = 809,429/x
  3. Step 3: Cross multiply
    2,582,357x = 3,874,157.58 × 809,429
  4. Step 4: Simplify right side
    2,582,357x = 3,135,855,495,821.82
  5. Step 5: Solve for x
    x = 3,135,855,495,821.82/2,582,357
  6. Step 6: Final answer
    x = 1,214,338.49

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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.