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Finding the Fourth Proportional to 3,886,273.20, 5,829,409.80 and 3,476,866.80

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Solution

The fourth proportional to 3,886,273.20, 5,829,409.80 and 3,476,866.80 is: 5,215,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,273.20 : 5,829,409.80 = 3,476,866.80 : x
  2. Step 2: Convert to fraction form
    3,886,273.20/5,829,409.80 = 3,476,866.80/x
  3. Step 3: Cross multiply
    3,886,273.20x = 5,829,409.80 × 3,476,866.80
  4. Step 4: Simplify right side
    3,886,273.20x = 20,268,081,397,214.64
  5. Step 5: Solve for x
    x = 20,268,081,397,214.64/3,886,273.20
  6. Step 6: Final answer
    x = 5,215,300.20

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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.