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Finding the Fourth Proportional to 448,453.86, 672,860 and 182,235.21

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Solution

The fourth proportional to 448,453.86, 672,860 and 182,235.21 is: 273,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,453.86 : 672,860 = 182,235.21 : x
  2. Step 2: Convert to fraction form
    448,453.86/672,860 = 182,235.21/x
  3. Step 3: Cross multiply
    448,453.86x = 672,860 × 182,235.21
  4. Step 4: Simplify right side
    448,453.86x = 122,618,783,400.60
  5. Step 5: Solve for x
    x = 122,618,783,400.60/448,453.86
  6. Step 6: Final answer
    x = 273,425.64

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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.