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Finding the Fourth Proportional to 3,796,307.60, 5,694,960.90 and 1,401,834.20

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Solution

The fourth proportional to 3,796,307.60, 5,694,960.90 and 1,401,834.20 is: 2,102,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796,307.60 : 5,694,960.90 = 1,401,834.20 : x
  2. Step 2: Convert to fraction form
    3,796,307.60/5,694,960.90 = 1,401,834.20/x
  3. Step 3: Cross multiply
    3,796,307.60x = 5,694,960.90 × 1,401,834.20
  4. Step 4: Simplify right side
    3,796,307.60x = 7,983,390,957,282.78
  5. Step 5: Solve for x
    x = 7,983,390,957,282.78/3,796,307.60
  6. Step 6: Final answer
    x = 2,102,935.75

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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.