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Finding the Fourth Proportional to 403,400.44, 605,100.30 and 166,482.52

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Solution

The fourth proportional to 403,400.44, 605,100.30 and 166,482.52 is: 249,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,400.44 : 605,100.30 = 166,482.52 : x
  2. Step 2: Convert to fraction form
    403,400.44/605,100.30 = 166,482.52/x
  3. Step 3: Cross multiply
    403,400.44x = 605,100.30 × 166,482.52
  4. Step 4: Simplify right side
    403,400.44x = 100,738,622,796.76
  5. Step 5: Solve for x
    x = 100,738,622,796.76/403,400.44
  6. Step 6: Final answer
    x = 249,723.63

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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.