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Finding the Fourth Proportional to 448,627.44, 672,837.42 and 133,008.24

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Solution

The fourth proportional to 448,627.44, 672,837.42 and 133,008.24 is: 199,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,627.44 : 672,837.42 = 133,008.24 : x
  2. Step 2: Convert to fraction form
    448,627.44/672,837.42 = 133,008.24/x
  3. Step 3: Cross multiply
    448,627.44x = 672,837.42 × 133,008.24
  4. Step 4: Simplify right side
    448,627.44x = 89,492,921,040.34
  5. Step 5: Solve for x
    x = 89,492,921,040.34/448,627.44
  6. Step 6: Final answer
    x = 199,481.60

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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.