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Finding the Fourth Proportional to 4,487,357.14, 6,733,137.80 and 2,211,640.98

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Solution

The fourth proportional to 4,487,357.14, 6,733,137.80 and 2,211,640.98 is: 3,318,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487,357.14 : 6,733,137.80 = 2,211,640.98 : x
  2. Step 2: Convert to fraction form
    4,487,357.14/6,733,137.80 = 2,211,640.98/x
  3. Step 3: Cross multiply
    4,487,357.14x = 6,733,137.80 × 2,211,640.98
  4. Step 4: Simplify right side
    4,487,357.14x = 14,891,283,482,467.04
  5. Step 5: Solve for x
    x = 14,891,283,482,467.04/4,487,357.14
  6. Step 6: Final answer
    x = 3,318,497.51

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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.