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Finding the Fourth Proportional to 296,984.40, 445,530.60 and 97,249.20

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Solution

The fourth proportional to 296,984.40, 445,530.60 and 97,249.20 is: 145,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,984.40 : 445,530.60 = 97,249.20 : x
  2. Step 2: Convert to fraction form
    296,984.40/445,530.60 = 97,249.20/x
  3. Step 3: Cross multiply
    296,984.40x = 445,530.60 × 97,249.20
  4. Step 4: Simplify right side
    296,984.40x = 43,327,494,425.52
  5. Step 5: Solve for x
    x = 43,327,494,425.52/296,984.40
  6. Step 6: Final answer
    x = 145,891.48

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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.