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Finding the Fourth Proportional to 2,630,828.76, 3,946,352.90 and 833,672.44

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Solution

The fourth proportional to 2,630,828.76, 3,946,352.90 and 833,672.44 is: 1,250,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,828.76 : 3,946,352.90 = 833,672.44 : x
  2. Step 2: Convert to fraction form
    2,630,828.76/3,946,352.90 = 833,672.44/x
  3. Step 3: Cross multiply
    2,630,828.76x = 3,946,352.90 × 833,672.44
  4. Step 4: Simplify right side
    2,630,828.76x = 3,289,965,647,075.71
  5. Step 5: Solve for x
    x = 3,289,965,647,075.71/2,630,828.76
  6. Step 6: Final answer
    x = 1,250,543.44

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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.