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Finding the Fourth Proportional to 3,632,491.80, 5,449,904.10 and 1,609,954.20

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Solution

The fourth proportional to 3,632,491.80, 5,449,904.10 and 1,609,954.20 is: 2,415,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632,491.80 : 5,449,904.10 = 1,609,954.20 : x
  2. Step 2: Convert to fraction form
    3,632,491.80/5,449,904.10 = 1,609,954.20/x
  3. Step 3: Cross multiply
    3,632,491.80x = 5,449,904.10 × 1,609,954.20
  4. Step 4: Simplify right side
    3,632,491.80x = 8,774,095,995,392.22
  5. Step 5: Solve for x
    x = 8,774,095,995,392.22/3,632,491.80
  6. Step 6: Final answer
    x = 2,415,448.26

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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.