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Finding the Fourth Proportional to 296,908.87, 445,328.22 and 83,692.77

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Solution

The fourth proportional to 296,908.87, 445,328.22 and 83,692.77 is: 125,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,908.87 : 445,328.22 = 83,692.77 : x
  2. Step 2: Convert to fraction form
    296,908.87/445,328.22 = 83,692.77/x
  3. Step 3: Cross multiply
    296,908.87x = 445,328.22 × 83,692.77
  4. Step 4: Simplify right side
    296,908.87x = 37,270,752,290.97
  5. Step 5: Solve for x
    x = 37,270,752,290.97/296,908.87
  6. Step 6: Final answer
    x = 125,529.27

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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.