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Finding the Fourth Proportional to 335,120.74, 461,990.73 and 266,536.42

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Solution

The fourth proportional to 335,120.74, 461,990.73 and 266,536.42 is: 367,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,120.74 : 461,990.73 = 266,536.42 : x
  2. Step 2: Convert to fraction form
    335,120.74/461,990.73 = 266,536.42/x
  3. Step 3: Cross multiply
    335,120.74x = 461,990.73 × 266,536.42
  4. Step 4: Simplify right side
    335,120.74x = 123,137,355,247.39
  5. Step 5: Solve for x
    x = 123,137,355,247.39/335,120.74
  6. Step 6: Final answer
    x = 367,441.76

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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.