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Finding the Fourth Proportional to 340,313.63, 510,786.07 and 171,952.19

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Solution

The fourth proportional to 340,313.63, 510,786.07 and 171,952.19 is: 258,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,313.63 : 510,786.07 = 171,952.19 : x
  2. Step 2: Convert to fraction form
    340,313.63/510,786.07 = 171,952.19/x
  3. Step 3: Cross multiply
    340,313.63x = 510,786.07 × 171,952.19
  4. Step 4: Simplify right side
    340,313.63x = 87,830,782,289.63
  5. Step 5: Solve for x
    x = 87,830,782,289.63/340,313.63
  6. Step 6: Final answer
    x = 258,087.76

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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.