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Finding the Fourth Proportional to 2,096,861, 3,145,293.66 and 520,925

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Solution

The fourth proportional to 2,096,861, 3,145,293.66 and 520,925 is: 781,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096,861 : 3,145,293.66 = 520,925 : x
  2. Step 2: Convert to fraction form
    2,096,861/3,145,293.66 = 520,925/x
  3. Step 3: Cross multiply
    2,096,861x = 3,145,293.66 × 520,925
  4. Step 4: Simplify right side
    2,096,861x = 1,638,462,099,835.50
  5. Step 5: Solve for x
    x = 1,638,462,099,835.50/2,096,861
  6. Step 6: Final answer
    x = 781,388.04

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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.