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Finding the Fourth Proportional to 365,791.60, 504,964.98 and 275,182.06

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Solution

The fourth proportional to 365,791.60, 504,964.98 and 275,182.06 is: 379,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,791.60 : 504,964.98 = 275,182.06 : x
  2. Step 2: Convert to fraction form
    365,791.60/504,964.98 = 275,182.06/x
  3. Step 3: Cross multiply
    365,791.60x = 504,964.98 × 275,182.06
  4. Step 4: Simplify right side
    365,791.60x = 138,957,303,424.26
  5. Step 5: Solve for x
    x = 138,957,303,424.26/365,791.60
  6. Step 6: Final answer
    x = 379,881.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.