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Finding the Fourth Proportional to 260,493.00, 390,735.23 and 82,997.60

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Solution

The fourth proportional to 260,493.00, 390,735.23 and 82,997.60 is: 124,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,493.00 : 390,735.23 = 82,997.60 : x
  2. Step 2: Convert to fraction form
    260,493.00/390,735.23 = 82,997.60/x
  3. Step 3: Cross multiply
    260,493.00x = 390,735.23 × 82,997.60
  4. Step 4: Simplify right side
    260,493.00x = 32,430,083,956.78
  5. Step 5: Solve for x
    x = 32,430,083,956.78/260,493.00
  6. Step 6: Final answer
    x = 124,495.03

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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.