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Finding the Fourth Proportional to 465,958.54, 643,019.44 and 264,754.54

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Solution

The fourth proportional to 465,958.54, 643,019.44 and 264,754.54 is: 365,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,958.54 : 643,019.44 = 264,754.54 : x
  2. Step 2: Convert to fraction form
    465,958.54/643,019.44 = 264,754.54/x
  3. Step 3: Cross multiply
    465,958.54x = 643,019.44 × 264,754.54
  4. Step 4: Simplify right side
    465,958.54x = 170,242,311,509.39
  5. Step 5: Solve for x
    x = 170,242,311,509.39/465,958.54
  6. Step 6: Final answer
    x = 365,359.36

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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.