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Finding the Fourth Proportional to 448,323.84, 672,484.44 and 132,805.32

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Solution

The fourth proportional to 448,323.84, 672,484.44 and 132,805.32 is: 199,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,323.84 : 672,484.44 = 132,805.32 : x
  2. Step 2: Convert to fraction form
    448,323.84/672,484.44 = 132,805.32/x
  3. Step 3: Cross multiply
    448,323.84x = 672,484.44 × 132,805.32
  4. Step 4: Simplify right side
    448,323.84x = 89,309,511,249.22
  5. Step 5: Solve for x
    x = 89,309,511,249.22/448,323.84
  6. Step 6: Final answer
    x = 199,207.59

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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.