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Finding the Fourth Proportional to 411,859.50, 568,375.59 and 230,566.86

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Solution

The fourth proportional to 411,859.50, 568,375.59 and 230,566.86 is: 318,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,859.50 : 568,375.59 = 230,566.86 : x
  2. Step 2: Convert to fraction form
    411,859.50/568,375.59 = 230,566.86/x
  3. Step 3: Cross multiply
    411,859.50x = 568,375.59 × 230,566.86
  4. Step 4: Simplify right side
    411,859.50x = 131,048,575,086.95
  5. Step 5: Solve for x
    x = 131,048,575,086.95/411,859.50
  6. Step 6: Final answer
    x = 318,187.57

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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.