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Finding the Fourth Proportional to 2,079,644.22, 2,869,856.14 and 1,161,880.25

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Solution

The fourth proportional to 2,079,644.22, 2,869,856.14 and 1,161,880.25 is: 1,603,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,644.22 : 2,869,856.14 = 1,161,880.25 : x
  2. Step 2: Convert to fraction form
    2,079,644.22/2,869,856.14 = 1,161,880.25/x
  3. Step 3: Cross multiply
    2,079,644.22x = 2,869,856.14 × 1,161,880.25
  4. Step 4: Simplify right side
    2,079,644.22x = 3,334,429,163,597.83
  5. Step 5: Solve for x
    x = 3,334,429,163,597.83/2,079,644.22
  6. Step 6: Final answer
    x = 1,603,365.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.