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Finding the Fourth Proportional to 5,449,984.80, 8,173,810.80 and 2,417,344.80

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Solution

The fourth proportional to 5,449,984.80, 8,173,810.80 and 2,417,344.80 is: 3,625,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449,984.80 : 8,173,810.80 = 2,417,344.80 : x
  2. Step 2: Convert to fraction form
    5,449,984.80/8,173,810.80 = 2,417,344.80/x
  3. Step 3: Cross multiply
    5,449,984.80x = 8,173,810.80 × 2,417,344.80
  4. Step 4: Simplify right side
    5,449,984.80x = 19,758,919,033,563.84
  5. Step 5: Solve for x
    x = 19,758,919,033,563.84/5,449,984.80
  6. Step 6: Final answer
    x = 3,625,499.84

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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.