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Finding the Fourth Proportional to 264,910.40, 397,365.60 and 107,057.60

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Solution

The fourth proportional to 264,910.40, 397,365.60 and 107,057.60 is: 160,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,910.40 : 397,365.60 = 107,057.60 : x
  2. Step 2: Convert to fraction form
    264,910.40/397,365.60 = 107,057.60/x
  3. Step 3: Cross multiply
    264,910.40x = 397,365.60 × 107,057.60
  4. Step 4: Simplify right side
    264,910.40x = 42,541,007,458.56
  5. Step 5: Solve for x
    x = 42,541,007,458.56/264,910.40
  6. Step 6: Final answer
    x = 160,586.40

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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.