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Finding the Fourth Proportional to 383,830.92, 529,543.98 and 222,595.56

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Solution

The fourth proportional to 383,830.92, 529,543.98 and 222,595.56 is: 307,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,830.92 : 529,543.98 = 222,595.56 : x
  2. Step 2: Convert to fraction form
    383,830.92/529,543.98 = 222,595.56/x
  3. Step 3: Cross multiply
    383,830.92x = 529,543.98 × 222,595.56
  4. Step 4: Simplify right side
    383,830.92x = 117,874,138,772.73
  5. Step 5: Solve for x
    x = 117,874,138,772.73/383,830.92
  6. Step 6: Final answer
    x = 307,099.12

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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.