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Finding the Fourth Proportional to 383,526.70, 529,149.55 and 222,349.57

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Solution

The fourth proportional to 383,526.70, 529,149.55 and 222,349.57 is: 306,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,526.70 : 529,149.55 = 222,349.57 : x
  2. Step 2: Convert to fraction form
    383,526.70/529,149.55 = 222,349.57/x
  3. Step 3: Cross multiply
    383,526.70x = 529,149.55 × 222,349.57
  4. Step 4: Simplify right side
    383,526.70x = 117,656,173,796.45
  5. Step 5: Solve for x
    x = 117,656,173,796.45/383,526.70
  6. Step 6: Final answer
    x = 306,774.41

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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.