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Finding the Fourth Proportional to 510,684.27, 764,990.99 and 236,745.44

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Solution

The fourth proportional to 510,684.27, 764,990.99 and 236,745.44 is: 354,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,684.27 : 764,990.99 = 236,745.44 : x
  2. Step 2: Convert to fraction form
    510,684.27/764,990.99 = 236,745.44/x
  3. Step 3: Cross multiply
    510,684.27x = 764,990.99 × 236,745.44
  4. Step 4: Simplify right side
    510,684.27x = 181,108,128,523.59
  5. Step 5: Solve for x
    x = 181,108,128,523.59/510,684.27
  6. Step 6: Final answer
    x = 354,638.16

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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.