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Finding the Fourth Proportional to 339,471.93, 468,479.07 and 186,519.66

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Solution

The fourth proportional to 339,471.93, 468,479.07 and 186,519.66 is: 257,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,471.93 : 468,479.07 = 186,519.66 : x
  2. Step 2: Convert to fraction form
    339,471.93/468,479.07 = 186,519.66/x
  3. Step 3: Cross multiply
    339,471.93x = 468,479.07 × 186,519.66
  4. Step 4: Simplify right side
    339,471.93x = 87,380,556,853.52
  5. Step 5: Solve for x
    x = 87,380,556,853.52/339,471.93
  6. Step 6: Final answer
    x = 257,401.42

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1.5x scale

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.