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Finding the Fourth Proportional to 403,650.44, 605,475.30 and 190,368.60

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Solution

The fourth proportional to 403,650.44, 605,475.30 and 190,368.60 is: 285,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,650.44 : 605,475.30 = 190,368.60 : x
  2. Step 2: Convert to fraction form
    403,650.44/605,475.30 = 190,368.60/x
  3. Step 3: Cross multiply
    403,650.44x = 605,475.30 × 190,368.60
  4. Step 4: Simplify right side
    403,650.44x = 115,263,485,195.58
  5. Step 5: Solve for x
    x = 115,263,485,195.58/403,650.44
  6. Step 6: Final answer
    x = 285,552.73

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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.