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Finding the Fourth Proportional to 313,989.85, 433,317.41 and 179,879.77

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Solution

The fourth proportional to 313,989.85, 433,317.41 and 179,879.77 is: 248,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,989.85 : 433,317.41 = 179,879.77 : x
  2. Step 2: Convert to fraction form
    313,989.85/433,317.41 = 179,879.77/x
  3. Step 3: Cross multiply
    313,989.85x = 433,317.41 × 179,879.77
  4. Step 4: Simplify right side
    313,989.85x = 77,945,036,047.80
  5. Step 5: Solve for x
    x = 77,945,036,047.80/313,989.85
  6. Step 6: Final answer
    x = 248,240.62

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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.