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Finding the Fourth Proportional to 441,530.46, 662,317.83 and 126,033.84

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Solution

The fourth proportional to 441,530.46, 662,317.83 and 126,033.84 is: 189,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,530.46 : 662,317.83 = 126,033.84 : x
  2. Step 2: Convert to fraction form
    441,530.46/662,317.83 = 126,033.84/x
  3. Step 3: Cross multiply
    441,530.46x = 662,317.83 × 126,033.84
  4. Step 4: Simplify right side
    441,530.46x = 83,474,459,415.37
  5. Step 5: Solve for x
    x = 83,474,459,415.37/441,530.46
  6. Step 6: Final answer
    x = 189,057.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.