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Finding the Fourth Proportional to 383,425.81, 529,065.38 and 222,249.37

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Solution

The fourth proportional to 383,425.81, 529,065.38 and 222,249.37 is: 306,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,425.81 : 529,065.38 = 222,249.37 : x
  2. Step 2: Convert to fraction form
    383,425.81/529,065.38 = 222,249.37/x
  3. Step 3: Cross multiply
    383,425.81x = 529,065.38 × 222,249.37
  4. Step 4: Simplify right side
    383,425.81x = 117,584,447,393.81
  5. Step 5: Solve for x
    x = 117,584,447,393.81/383,425.81
  6. Step 6: Final answer
    x = 306,668.06

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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.