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Finding the Fourth Proportional to 383,527.06, 529,150.06 and 222,349.95

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Solution

The fourth proportional to 383,527.06, 529,150.06 and 222,349.95 is: 306,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,527.06 : 529,150.06 = 222,349.95 : x
  2. Step 2: Convert to fraction form
    383,527.06/529,150.06 = 222,349.95/x
  3. Step 3: Cross multiply
    383,527.06x = 529,150.06 × 222,349.95
  4. Step 4: Simplify right side
    383,527.06x = 117,656,489,383.50
  5. Step 5: Solve for x
    x = 117,656,489,383.50/383,527.06
  6. Step 6: Final answer
    x = 306,774.94

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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.