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Finding the Fourth Proportional to 446,665.53, 616,495.65 and 274,731.27

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Solution

The fourth proportional to 446,665.53, 616,495.65 and 274,731.27 is: 379,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,665.53 : 616,495.65 = 274,731.27 : x
  2. Step 2: Convert to fraction form
    446,665.53/616,495.65 = 274,731.27/x
  3. Step 3: Cross multiply
    446,665.53x = 616,495.65 × 274,731.27
  4. Step 4: Simplify right side
    446,665.53x = 169,370,632,873.98
  5. Step 5: Solve for x
    x = 169,370,632,873.98/446,665.53
  6. Step 6: Final answer
    x = 379,188.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.