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Finding the Fourth Proportional to 446,611.60, 668,880.60 and 436,243.60

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Solution

The fourth proportional to 446,611.60, 668,880.60 and 436,243.60 is: 653,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,611.60 : 668,880.60 = 436,243.60 : x
  2. Step 2: Convert to fraction form
    446,611.60/668,880.60 = 436,243.60/x
  3. Step 3: Cross multiply
    446,611.60x = 668,880.60 × 436,243.60
  4. Step 4: Simplify right side
    446,611.60x = 291,794,880,914.16
  5. Step 5: Solve for x
    x = 291,794,880,914.16/446,611.60
  6. Step 6: Final answer
    x = 653,352.67

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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.