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Finding the Fourth Proportional to 383,599.74, 529,396.47 and 222,453.39

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Solution

The fourth proportional to 383,599.74, 529,396.47 and 222,453.39 is: 307,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,599.74 : 529,396.47 = 222,453.39 : x
  2. Step 2: Convert to fraction form
    383,599.74/529,396.47 = 222,453.39/x
  3. Step 3: Cross multiply
    383,599.74x = 529,396.47 × 222,453.39
  4. Step 4: Simplify right side
    383,599.74x = 117,766,039,405.53
  5. Step 5: Solve for x
    x = 117,766,039,405.53/383,599.74
  6. Step 6: Final answer
    x = 307,002.40

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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.