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Finding the Fourth Proportional to 3,668,558.80, 5,503,615.80 and 1,109,563.60

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Solution

The fourth proportional to 3,668,558.80, 5,503,615.80 and 1,109,563.60 is: 1,664,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668,558.80 : 5,503,615.80 = 1,109,563.60 : x
  2. Step 2: Convert to fraction form
    3,668,558.80/5,503,615.80 = 1,109,563.60/x
  3. Step 3: Cross multiply
    3,668,558.80x = 5,503,615.80 × 1,109,563.60
  4. Step 4: Simplify right side
    3,668,558.80x = 6,106,611,760,064.88
  5. Step 5: Solve for x
    x = 6,106,611,760,064.88/3,668,558.80
  6. Step 6: Final answer
    x = 1,664,580.59

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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.