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Finding the Fourth Proportional to 448,525.53, 672,673.62 and 132,908.61

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Solution

The fourth proportional to 448,525.53, 672,673.62 and 132,908.61 is: 199,328.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,525.53 : 672,673.62 = 132,908.61 : x
  2. Step 2: Convert to fraction form
    448,525.53/672,673.62 = 132,908.61/x
  3. Step 3: Cross multiply
    448,525.53x = 672,673.62 × 132,908.61
  4. Step 4: Simplify right side
    448,525.53x = 89,404,115,817.87
  5. Step 5: Solve for x
    x = 89,404,115,817.87/448,525.53
  6. Step 6: Final answer
    x = 199,328.93

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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.