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Finding the Fourth Proportional to 3,269,854.86, 4,905,611.73 and 1,026,012.30

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Solution

The fourth proportional to 3,269,854.86, 4,905,611.73 and 1,026,012.30 is: 1,539,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269,854.86 : 4,905,611.73 = 1,026,012.30 : x
  2. Step 2: Convert to fraction form
    3,269,854.86/4,905,611.73 = 1,026,012.30/x
  3. Step 3: Cross multiply
    3,269,854.86x = 4,905,611.73 × 1,026,012.30
  4. Step 4: Simplify right side
    3,269,854.86x = 5,033,217,974,004.28
  5. Step 5: Solve for x
    x = 5,033,217,974,004.28/3,269,854.86
  6. Step 6: Final answer
    x = 1,539,278.71

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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.