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Finding the Fourth Proportional to 404,588.03, 606,828.05 and 120,273.25

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Solution

The fourth proportional to 404,588.03, 606,828.05 and 120,273.25 is: 180,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,588.03 : 606,828.05 = 120,273.25 : x
  2. Step 2: Convert to fraction form
    404,588.03/606,828.05 = 120,273.25/x
  3. Step 3: Cross multiply
    404,588.03x = 606,828.05 × 120,273.25
  4. Step 4: Simplify right side
    404,588.03x = 72,985,181,764.66
  5. Step 5: Solve for x
    x = 72,985,181,764.66/404,588.03
  6. Step 6: Final answer
    x = 180,393.82

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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.