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Finding the Fourth Proportional to 383,955.50, 529,792.98 and 222,773.60

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Solution

The fourth proportional to 383,955.50, 529,792.98 and 222,773.60 is: 307,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,955.50 : 529,792.98 = 222,773.60 : x
  2. Step 2: Convert to fraction form
    383,955.50/529,792.98 = 222,773.60/x
  3. Step 3: Cross multiply
    383,955.50x = 529,792.98 × 222,773.60
  4. Step 4: Simplify right side
    383,955.50x = 118,023,889,409.33
  5. Step 5: Solve for x
    x = 118,023,889,409.33/383,955.50
  6. Step 6: Final answer
    x = 307,389.50

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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.