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Finding the Fourth Proportional to 339,181.23, 508,782.78 and 170,609.61

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Solution

The fourth proportional to 339,181.23, 508,782.78 and 170,609.61 is: 255,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,181.23 : 508,782.78 = 170,609.61 : x
  2. Step 2: Convert to fraction form
    339,181.23/508,782.78 = 170,609.61/x
  3. Step 3: Cross multiply
    339,181.23x = 508,782.78 × 170,609.61
  4. Step 4: Simplify right side
    339,181.23x = 86,803,231,670.52
  5. Step 5: Solve for x
    x = 86,803,231,670.52/339,181.23
  6. Step 6: Final answer
    x = 255,919.92

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1.5x scale

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.