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Finding the Fourth Proportional to 448,935.84, 673,495.92 and 133,364.64

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Solution

The fourth proportional to 448,935.84, 673,495.92 and 133,364.64 is: 200,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,935.84 : 673,495.92 = 133,364.64 : x
  2. Step 2: Convert to fraction form
    448,935.84/673,495.92 = 133,364.64/x
  3. Step 3: Cross multiply
    448,935.84x = 673,495.92 × 133,364.64
  4. Step 4: Simplify right side
    448,935.84x = 89,820,540,912.27
  5. Step 5: Solve for x
    x = 89,820,540,912.27/448,935.84
  6. Step 6: Final answer
    x = 200,074.34

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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.