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Finding the Fourth Proportional to 448,232.60, 672,786.30 and 223,846.40

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Solution

The fourth proportional to 448,232.60, 672,786.30 and 223,846.40 is: 335,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,232.60 : 672,786.30 = 223,846.40 : x
  2. Step 2: Convert to fraction form
    448,232.60/672,786.30 = 223,846.40/x
  3. Step 3: Cross multiply
    448,232.60x = 672,786.30 × 223,846.40
  4. Step 4: Simplify right side
    448,232.60x = 150,600,791,224.32
  5. Step 5: Solve for x
    x = 150,600,791,224.32/448,232.60
  6. Step 6: Final answer
    x = 335,988.04

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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.