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Finding the Fourth Proportional to 383,598.37, 529,394.55 and 222,452.02

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Solution

The fourth proportional to 383,598.37, 529,394.55 and 222,452.02 is: 307,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,598.37 : 529,394.55 = 222,452.02 : x
  2. Step 2: Convert to fraction form
    383,598.37/529,394.55 = 222,452.02/x
  3. Step 3: Cross multiply
    383,598.37x = 529,394.55 × 222,452.02
  4. Step 4: Simplify right side
    383,598.37x = 117,764,884,377.52
  5. Step 5: Solve for x
    x = 117,764,884,377.52/383,598.37
  6. Step 6: Final answer
    x = 307,000.49

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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.