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Finding the Fourth Proportional to 446,893.60, 670,599.60 and 166,439.20

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Solution

The fourth proportional to 446,893.60, 670,599.60 and 166,439.20 is: 249,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,893.60 : 670,599.60 = 166,439.20 : x
  2. Step 2: Convert to fraction form
    446,893.60/670,599.60 = 166,439.20/x
  3. Step 3: Cross multiply
    446,893.60x = 670,599.60 × 166,439.20
  4. Step 4: Simplify right side
    446,893.60x = 111,614,060,944.32
  5. Step 5: Solve for x
    x = 111,614,060,944.32/446,893.60
  6. Step 6: Final answer
    x = 249,755.34

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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.