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Finding the Fourth Proportional to 256,064.10, 383,768.10 and 227,851.80

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Solution

The fourth proportional to 256,064.10, 383,768.10 and 227,851.80 is: 341,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,064.10 : 383,768.10 = 227,851.80 : x
  2. Step 2: Convert to fraction form
    256,064.10/383,768.10 = 227,851.80/x
  3. Step 3: Cross multiply
    256,064.10x = 383,768.10 × 227,851.80
  4. Step 4: Simplify right side
    256,064.10x = 87,442,252,367.58
  5. Step 5: Solve for x
    x = 87,442,252,367.58/256,064.10
  6. Step 6: Final answer
    x = 341,485.79

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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.