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Finding the Fourth Proportional to 329,558.45, 494,485.36 and 151,970.27

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Solution

The fourth proportional to 329,558.45, 494,485.36 and 151,970.27 is: 228,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,558.45 : 494,485.36 = 151,970.27 : x
  2. Step 2: Convert to fraction form
    329,558.45/494,485.36 = 151,970.27/x
  3. Step 3: Cross multiply
    329,558.45x = 494,485.36 × 151,970.27
  4. Step 4: Simplify right side
    329,558.45x = 75,147,070,817.89
  5. Step 5: Solve for x
    x = 75,147,070,817.89/329,558.45
  6. Step 6: Final answer
    x = 228,023.50

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1.5x scale

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.