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Finding the Fourth Proportional to 336,467.16, 503,692.38 and 324,503.88

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Solution

The fourth proportional to 336,467.16, 503,692.38 and 324,503.88 is: 485,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,467.16 : 503,692.38 = 324,503.88 : x
  2. Step 2: Convert to fraction form
    336,467.16/503,692.38 = 324,503.88/x
  3. Step 3: Cross multiply
    336,467.16x = 503,692.38 × 324,503.88
  4. Step 4: Simplify right side
    336,467.16x = 163,450,131,636.43
  5. Step 5: Solve for x
    x = 163,450,131,636.43/336,467.16
  6. Step 6: Final answer
    x = 485,783.31

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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.