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Finding the Fourth Proportional to 550,620.69, 825,756.06 and 374,261.01

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Solution

The fourth proportional to 550,620.69, 825,756.06 and 374,261.01 is: 561,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,620.69 : 825,756.06 = 374,261.01 : x
  2. Step 2: Convert to fraction form
    550,620.69/825,756.06 = 374,261.01/x
  3. Step 3: Cross multiply
    550,620.69x = 825,756.06 × 374,261.01
  4. Step 4: Simplify right side
    550,620.69x = 309,048,297,029.22
  5. Step 5: Solve for x
    x = 309,048,297,029.22/550,620.69
  6. Step 6: Final answer
    x = 561,272.58

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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.