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Finding the Fourth Proportional to 624,045.03, 860,908.62 and 365,791.08

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Solution

The fourth proportional to 624,045.03, 860,908.62 and 365,791.08 is: 504,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,045.03 : 860,908.62 = 365,791.08 : x
  2. Step 2: Convert to fraction form
    624,045.03/860,908.62 = 365,791.08/x
  3. Step 3: Cross multiply
    624,045.03x = 860,908.62 × 365,791.08
  4. Step 4: Simplify right side
    624,045.03x = 314,912,693,891.11
  5. Step 5: Solve for x
    x = 314,912,693,891.11/624,045.03
  6. Step 6: Final answer
    x = 504,631.36

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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.