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Finding the Fourth Proportional to 3,859,106.04, 5,784,575.04 and 1,297,882.80

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Solution

The fourth proportional to 3,859,106.04, 5,784,575.04 and 1,297,882.80 is: 1,945,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859,106.04 : 5,784,575.04 = 1,297,882.80 : x
  2. Step 2: Convert to fraction form
    3,859,106.04/5,784,575.04 = 1,297,882.80/x
  3. Step 3: Cross multiply
    3,859,106.04x = 5,784,575.04 × 1,297,882.80
  4. Step 4: Simplify right side
    3,859,106.04x = 7,507,700,449,725.31
  5. Step 5: Solve for x
    x = 7,507,700,449,725.31/3,859,106.04
  6. Step 6: Final answer
    x = 1,945,450.67

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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.