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Finding the Fourth Proportional to 332,485.36, 458,830.32 and 189,245.41

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Solution

The fourth proportional to 332,485.36, 458,830.32 and 189,245.41 is: 261,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,485.36 : 458,830.32 = 189,245.41 : x
  2. Step 2: Convert to fraction form
    332,485.36/458,830.32 = 189,245.41/x
  3. Step 3: Cross multiply
    332,485.36x = 458,830.32 × 189,245.41
  4. Step 4: Simplify right side
    332,485.36x = 86,831,532,028.83
  5. Step 5: Solve for x
    x = 86,831,532,028.83/332,485.36
  6. Step 6: Final answer
    x = 261,158.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.