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Finding the Fourth Proportional to 412,245.88, 568,915.64 and 230,959.30

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Solution

The fourth proportional to 412,245.88, 568,915.64 and 230,959.30 is: 318,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,245.88 : 568,915.64 = 230,959.30 : x
  2. Step 2: Convert to fraction form
    412,245.88/568,915.64 = 230,959.30/x
  3. Step 3: Cross multiply
    412,245.88x = 568,915.64 × 230,959.30
  4. Step 4: Simplify right side
    412,245.88x = 131,396,357,973.45
  5. Step 5: Solve for x
    x = 131,396,357,973.45/412,245.88
  6. Step 6: Final answer
    x = 318,732.98

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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.