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Finding the Fourth Proportional to 3,296,978.55, 4,936,950.60 and 2,275,460.91

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Solution

The fourth proportional to 3,296,978.55, 4,936,950.60 and 2,275,460.91 is: 3,407,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296,978.55 : 4,936,950.60 = 2,275,460.91 : x
  2. Step 2: Convert to fraction form
    3,296,978.55/4,936,950.60 = 2,275,460.91/x
  3. Step 3: Cross multiply
    3,296,978.55x = 4,936,950.60 × 2,275,460.91
  4. Step 4: Simplify right side
    3,296,978.55x = 11,233,838,104,901.04
  5. Step 5: Solve for x
    x = 11,233,838,104,901.04/3,296,978.55
  6. Step 6: Final answer
    x = 3,407,313.07

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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.