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Finding the Fourth Proportional to 448,287.94, 672,591.75 and 223,628.50

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Solution

The fourth proportional to 448,287.94, 672,591.75 and 223,628.50 is: 335,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,287.94 : 672,591.75 = 223,628.50 : x
  2. Step 2: Convert to fraction form
    448,287.94/672,591.75 = 223,628.50/x
  3. Step 3: Cross multiply
    448,287.94x = 672,591.75 × 223,628.50
  4. Step 4: Simplify right side
    448,287.94x = 150,410,684,164.88
  5. Step 5: Solve for x
    x = 150,410,684,164.88/448,287.94
  6. Step 6: Final answer
    x = 335,522.49

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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.