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Finding the Fourth Proportional to 2,978,449.04, 4,466,935.44 and 848,551.61

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Solution

The fourth proportional to 2,978,449.04, 4,466,935.44 and 848,551.61 is: 1,272,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,449.04 : 4,466,935.44 = 848,551.61 : x
  2. Step 2: Convert to fraction form
    2,978,449.04/4,466,935.44 = 848,551.61/x
  3. Step 3: Cross multiply
    2,978,449.04x = 4,466,935.44 × 848,551.61
  4. Step 4: Simplify right side
    2,978,449.04x = 3,790,425,232,800.62
  5. Step 5: Solve for x
    x = 3,790,425,232,800.62/2,978,449.04
  6. Step 6: Final answer
    x = 1,272,617.12

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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.