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Finding the Fourth Proportional to 417,361.20, 575,958.50 and 236,069.22

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Solution

The fourth proportional to 417,361.20, 575,958.50 and 236,069.22 is: 325,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,361.20 : 575,958.50 = 236,069.22 : x
  2. Step 2: Convert to fraction form
    417,361.20/575,958.50 = 236,069.22/x
  3. Step 3: Cross multiply
    417,361.20x = 575,958.50 × 236,069.22
  4. Step 4: Simplify right side
    417,361.20x = 135,966,073,847.37
  5. Step 5: Solve for x
    x = 135,966,073,847.37/417,361.20
  6. Step 6: Final answer
    x = 325,775.55

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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.