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Finding the Fourth Proportional to 403,028.01, 604,520.10 and 122,523.39

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Solution

The fourth proportional to 403,028.01, 604,520.10 and 122,523.39 is: 183,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,028.01 : 604,520.10 = 122,523.39 : x
  2. Step 2: Convert to fraction form
    403,028.01/604,520.10 = 122,523.39/x
  3. Step 3: Cross multiply
    403,028.01x = 604,520.10 × 122,523.39
  4. Step 4: Simplify right side
    403,028.01x = 74,067,851,975.14
  5. Step 5: Solve for x
    x = 74,067,851,975.14/403,028.01
  6. Step 6: Final answer
    x = 183,778.42

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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.