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Finding the Fourth Proportional to 294,806.80, 442,210.17 and 73,190.80

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Solution

The fourth proportional to 294,806.80, 442,210.17 and 73,190.80 is: 109,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,806.80 : 442,210.17 = 73,190.80 : x
  2. Step 2: Convert to fraction form
    294,806.80/442,210.17 = 73,190.80/x
  3. Step 3: Cross multiply
    294,806.80x = 442,210.17 × 73,190.80
  4. Step 4: Simplify right side
    294,806.80x = 32,365,716,110.44
  5. Step 5: Solve for x
    x = 32,365,716,110.44/294,806.80
  6. Step 6: Final answer
    x = 109,786.19

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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.