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Finding the Fourth Proportional to 3,885,152.21, 5,824,404.81 and 1,490,715.26

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Solution

The fourth proportional to 3,885,152.21, 5,824,404.81 and 1,490,715.26 is: 2,234,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,152.21 : 5,824,404.81 = 1,490,715.26 : x
  2. Step 2: Convert to fraction form
    3,885,152.21/5,824,404.81 = 1,490,715.26/x
  3. Step 3: Cross multiply
    3,885,152.21x = 5,824,404.81 × 1,490,715.26
  4. Step 4: Simplify right side
    3,885,152.21x = 8,682,529,101,562.38
  5. Step 5: Solve for x
    x = 8,682,529,101,562.38/3,885,152.21
  6. Step 6: Final answer
    x = 2,234,797.67

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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.