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Finding the Fourth Proportional to 3,675,308.04, 5,513,224.50 and 979,619.13

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Solution

The fourth proportional to 3,675,308.04, 5,513,224.50 and 979,619.13 is: 1,469,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675,308.04 : 5,513,224.50 = 979,619.13 : x
  2. Step 2: Convert to fraction form
    3,675,308.04/5,513,224.50 = 979,619.13/x
  3. Step 3: Cross multiply
    3,675,308.04x = 5,513,224.50 × 979,619.13
  4. Step 4: Simplify right side
    3,675,308.04x = 5,400,860,188,184.68
  5. Step 5: Solve for x
    x = 5,400,860,188,184.68/3,675,308.04
  6. Step 6: Final answer
    x = 1,469,498.65

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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.