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Finding the Fourth Proportional to 383,458.69, 529,212.54 and 230,546.89

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Solution

The fourth proportional to 383,458.69, 529,212.54 and 230,546.89 is: 318,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,458.69 : 529,212.54 = 230,546.89 : x
  2. Step 2: Convert to fraction form
    383,458.69/529,212.54 = 230,546.89/x
  3. Step 3: Cross multiply
    383,458.69x = 529,212.54 × 230,546.89
  4. Step 4: Simplify right side
    383,458.69x = 122,008,305,246.00
  5. Step 5: Solve for x
    x = 122,008,305,246.00/383,458.69
  6. Step 6: Final answer
    x = 318,178.49

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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.