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Finding the Fourth Proportional to 2,984,596.56, 4,118,729.64 and 1,626,469.20

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Solution

The fourth proportional to 2,984,596.56, 4,118,729.64 and 1,626,469.20 is: 2,244,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,596.56 : 4,118,729.64 = 1,626,469.20 : x
  2. Step 2: Convert to fraction form
    2,984,596.56/4,118,729.64 = 1,626,469.20/x
  3. Step 3: Cross multiply
    2,984,596.56x = 4,118,729.64 × 1,626,469.20
  4. Step 4: Simplify right side
    2,984,596.56x = 6,698,986,902,587.09
  5. Step 5: Solve for x
    x = 6,698,986,902,587.09/2,984,596.56
  6. Step 6: Final answer
    x = 2,244,520.08

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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.