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Finding the Fourth Proportional to 378,528.70, 567,027.60 and 235,936.30

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Solution

The fourth proportional to 378,528.70, 567,027.60 and 235,936.30 is: 353,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,528.70 : 567,027.60 = 235,936.30 : x
  2. Step 2: Convert to fraction form
    378,528.70/567,027.60 = 235,936.30/x
  3. Step 3: Cross multiply
    378,528.70x = 567,027.60 × 235,936.30
  4. Step 4: Simplify right side
    378,528.70x = 133,782,393,941.88
  5. Step 5: Solve for x
    x = 133,782,393,941.88/378,528.70
  6. Step 6: Final answer
    x = 353,427.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.