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Finding the Fourth Proportional to 4,652,806.65, 6,979,212.41 and 1,458,181.64

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Solution

The fourth proportional to 4,652,806.65, 6,979,212.41 and 1,458,181.64 is: 2,187,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652,806.65 : 6,979,212.41 = 1,458,181.64 : x
  2. Step 2: Convert to fraction form
    4,652,806.65/6,979,212.41 = 1,458,181.64/x
  3. Step 3: Cross multiply
    4,652,806.65x = 6,979,212.41 × 1,458,181.64
  4. Step 4: Simplify right side
    4,652,806.65x = 10,176,959,355,735.18
  5. Step 5: Solve for x
    x = 10,176,959,355,735.18/4,652,806.65
  6. Step 6: Final answer
    x = 2,187,273.21

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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.