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Finding the Fourth Proportional to 448,688.98, 673,160.66 and 182,640.43

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Solution

The fourth proportional to 448,688.98, 673,160.66 and 182,640.43 is: 274,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,688.98 : 673,160.66 = 182,640.43 : x
  2. Step 2: Convert to fraction form
    448,688.98/673,160.66 = 182,640.43/x
  3. Step 3: Cross multiply
    448,688.98x = 673,160.66 × 182,640.43
  4. Step 4: Simplify right side
    448,688.98x = 122,946,348,122.48
  5. Step 5: Solve for x
    x = 122,946,348,122.48/448,688.98
  6. Step 6: Final answer
    x = 274,012.41

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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.