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Finding the Fourth Proportional to 339,713.91, 468,811.16 and 186,758.52

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Solution

The fourth proportional to 339,713.91, 468,811.16 and 186,758.52 is: 257,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,713.91 : 468,811.16 = 186,758.52 : x
  2. Step 2: Convert to fraction form
    339,713.91/468,811.16 = 186,758.52/x
  3. Step 3: Cross multiply
    339,713.91x = 468,811.16 × 186,758.52
  4. Step 4: Simplify right side
    339,713.91x = 87,554,477,467.29
  5. Step 5: Solve for x
    x = 87,554,477,467.29/339,713.91
  6. Step 6: Final answer
    x = 257,730.03

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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.