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Finding the Fourth Proportional to 448,676.77, 673,015.44 and 133,130.89

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Solution

The fourth proportional to 448,676.77, 673,015.44 and 133,130.89 is: 199,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,676.77 : 673,015.44 = 133,130.89 : x
  2. Step 2: Convert to fraction form
    448,676.77/673,015.44 = 133,130.89/x
  3. Step 3: Cross multiply
    448,676.77x = 673,015.44 × 133,130.89
  4. Step 4: Simplify right side
    448,676.77x = 89,599,144,510.94
  5. Step 5: Solve for x
    x = 89,599,144,510.94/448,676.77
  6. Step 6: Final answer
    x = 199,696.42

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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.