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Finding the Fourth Proportional to 446,662.85, 616,145.13 and 274,461.17

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Solution

The fourth proportional to 446,662.85, 616,145.13 and 274,461.17 is: 378,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,662.85 : 616,145.13 = 274,461.17 : x
  2. Step 2: Convert to fraction form
    446,662.85/616,145.13 = 274,461.17/x
  3. Step 3: Cross multiply
    446,662.85x = 616,145.13 × 274,461.17
  4. Step 4: Simplify right side
    446,662.85x = 169,107,910,188.88
  5. Step 5: Solve for x
    x = 169,107,910,188.88/446,662.85
  6. Step 6: Final answer
    x = 378,603.04

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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.