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Finding the Fourth Proportional to 403,135.88, 604,791.27 and 122,645.84

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Solution

The fourth proportional to 403,135.88, 604,791.27 and 122,645.84 is: 183,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,135.88 : 604,791.27 = 122,645.84 : x
  2. Step 2: Convert to fraction form
    403,135.88/604,791.27 = 122,645.84/x
  3. Step 3: Cross multiply
    403,135.88x = 604,791.27 × 122,645.84
  4. Step 4: Simplify right side
    403,135.88x = 74,175,130,309.86
  5. Step 5: Solve for x
    x = 74,175,130,309.86/403,135.88
  6. Step 6: Final answer
    x = 183,995.36

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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.