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Finding the Fourth Proportional to 6,805,968.90, 10,206,000.90 and 2,255,259.30

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Solution

The fourth proportional to 6,805,968.90, 10,206,000.90 and 2,255,259.30 is: 3,381,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805,968.90 : 10,206,000.90 = 2,255,259.30 : x
  2. Step 2: Convert to fraction form
    6,805,968.90/10,206,000.90 = 2,255,259.30/x
  3. Step 3: Cross multiply
    6,805,968.90x = 10,206,000.90 × 2,255,259.30
  4. Step 4: Simplify right side
    6,805,968.90x = 23,017,178,445,533.37
  5. Step 5: Solve for x
    x = 23,017,178,445,533.37/6,805,968.90
  6. Step 6: Final answer
    x = 3,381,910.61

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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.