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Finding the Fourth Proportional to 3,166,254, 4,749,381 and 1,393,326

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Solution

The fourth proportional to 3,166,254, 4,749,381 and 1,393,326 is: 2,089,989

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166,254 : 4,749,381 = 1,393,326 : x
  2. Step 2: Convert to fraction form
    3,166,254/4,749,381 = 1,393,326/x
  3. Step 3: Cross multiply
    3,166,254x = 4,749,381 × 1,393,326
  4. Step 4: Simplify right side
    3,166,254x = 6,617,436,031,206
  5. Step 5: Solve for x
    x = 6,617,436,031,206/3,166,254
  6. Step 6: Final answer
    x = 2,089,989

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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.