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Finding the Fourth Proportional to 4,479,450.82, 6,719,200.83 and 1,113,657.82

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Solution

The fourth proportional to 4,479,450.82, 6,719,200.83 and 1,113,657.82 is: 1,670,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479,450.82 : 6,719,200.83 = 1,113,657.82 : x
  2. Step 2: Convert to fraction form
    4,479,450.82/6,719,200.83 = 1,113,657.82/x
  3. Step 3: Cross multiply
    4,479,450.82x = 6,719,200.83 × 1,113,657.82
  4. Step 4: Simplify right side
    4,479,450.82x = 7,482,890,548,479.99
  5. Step 5: Solve for x
    x = 7,482,890,548,479.99/4,479,450.82
  6. Step 6: Final answer
    x = 1,670,492.85

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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.