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Finding the Fourth Proportional to 383,224.80, 528,850.35 and 222,173.22

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Solution

The fourth proportional to 383,224.80, 528,850.35 and 222,173.22 is: 306,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,224.80 : 528,850.35 = 222,173.22 : x
  2. Step 2: Convert to fraction form
    383,224.80/528,850.35 = 222,173.22/x
  3. Step 3: Cross multiply
    383,224.80x = 528,850.35 × 222,173.22
  4. Step 4: Simplify right side
    383,224.80x = 117,496,385,157.63
  5. Step 5: Solve for x
    x = 117,496,385,157.63/383,224.80
  6. Step 6: Final answer
    x = 306,599.12

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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.