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Finding the Fourth Proportional to 448,286.94, 672,590.25 and 223,627.50

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Solution

The fourth proportional to 448,286.94, 672,590.25 and 223,627.50 is: 335,520.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,286.94 : 672,590.25 = 223,627.50 : x
  2. Step 2: Convert to fraction form
    448,286.94/672,590.25 = 223,627.50/x
  3. Step 3: Cross multiply
    448,286.94x = 672,590.25 × 223,627.50
  4. Step 4: Simplify right side
    448,286.94x = 150,409,676,131.88
  5. Step 5: Solve for x
    x = 150,409,676,131.88/448,286.94
  6. Step 6: Final answer
    x = 335,520.99

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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.