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Finding the Fourth Proportional to 293,145.60, 396,057.60 and 293,145.60

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Solution

The fourth proportional to 293,145.60, 396,057.60 and 293,145.60 is: 396,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,145.60 : 396,057.60 = 293,145.60 : x
  2. Step 2: Convert to fraction form
    293,145.60/396,057.60 = 293,145.60/x
  3. Step 3: Cross multiply
    293,145.60x = 396,057.60 × 293,145.60
  4. Step 4: Simplify right side
    293,145.60x = 116,102,542,786.56
  5. Step 5: Solve for x
    x = 116,102,542,786.56/293,145.60
  6. Step 6: Final answer
    x = 396,057.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.