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Finding the Fourth Proportional to 482,692.80, 666,245.28 and 301,295.52

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Solution

The fourth proportional to 482,692.80, 666,245.28 and 301,295.52 is: 415,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,692.80 : 666,245.28 = 301,295.52 : x
  2. Step 2: Convert to fraction form
    482,692.80/666,245.28 = 301,295.52/x
  3. Step 3: Cross multiply
    482,692.80x = 666,245.28 × 301,295.52
  4. Step 4: Simplify right side
    482,692.80x = 200,736,718,085.15
  5. Step 5: Solve for x
    x = 200,736,718,085.15/482,692.80
  6. Step 6: Final answer
    x = 415,868.47

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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.