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Finding the Fourth Proportional to 517,806.77, 776,450.43 and 301,735.49

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Solution

The fourth proportional to 517,806.77, 776,450.43 and 301,735.49 is: 452,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,806.77 : 776,450.43 = 301,735.49 : x
  2. Step 2: Convert to fraction form
    517,806.77/776,450.43 = 301,735.49/x
  3. Step 3: Cross multiply
    517,806.77x = 776,450.43 × 301,735.49
  4. Step 4: Simplify right side
    517,806.77x = 234,282,647,074.51
  5. Step 5: Solve for x
    x = 234,282,647,074.51/517,806.77
  6. Step 6: Final answer
    x = 452,451.89

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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.