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Finding the Fourth Proportional to 259,672.57, 388,749.61 and 234,769.93

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Solution

The fourth proportional to 259,672.57, 388,749.61 and 234,769.93 is: 351,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,672.57 : 388,749.61 = 234,769.93 : x
  2. Step 2: Convert to fraction form
    259,672.57/388,749.61 = 234,769.93/x
  3. Step 3: Cross multiply
    259,672.57x = 388,749.61 × 234,769.93
  4. Step 4: Simplify right side
    259,672.57x = 91,266,718,048.82
  5. Step 5: Solve for x
    x = 91,266,718,048.82/259,672.57
  6. Step 6: Final answer
    x = 351,468.46

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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.