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Finding the Fourth Proportional to 313,958.60, 433,240.26 and 177,995.24

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Solution

The fourth proportional to 313,958.60, 433,240.26 and 177,995.24 is: 245,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,958.60 : 433,240.26 = 177,995.24 : x
  2. Step 2: Convert to fraction form
    313,958.60/433,240.26 = 177,995.24/x
  3. Step 3: Cross multiply
    313,958.60x = 433,240.26 × 177,995.24
  4. Step 4: Simplify right side
    313,958.60x = 77,114,704,056.36
  5. Step 5: Solve for x
    x = 77,114,704,056.36/313,958.60
  6. Step 6: Final answer
    x = 245,620.61

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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.