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Finding the Fourth Proportional to 307,855.97, 424,607.37 and 264,907.39

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Solution

The fourth proportional to 307,855.97, 424,607.37 and 264,907.39 is: 365,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,855.97 : 424,607.37 = 264,907.39 : x
  2. Step 2: Convert to fraction form
    307,855.97/424,607.37 = 264,907.39/x
  3. Step 3: Cross multiply
    307,855.97x = 424,607.37 × 264,907.39
  4. Step 4: Simplify right side
    307,855.97x = 112,481,630,161.46
  5. Step 5: Solve for x
    x = 112,481,630,161.46/307,855.97
  6. Step 6: Final answer
    x = 365,370.96

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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.