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Finding the Fourth Proportional to 296,945.40, 445,418.10 and 195,468.60

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Solution

The fourth proportional to 296,945.40, 445,418.10 and 195,468.60 is: 293,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,945.40 : 445,418.10 = 195,468.60 : x
  2. Step 2: Convert to fraction form
    296,945.40/445,418.10 = 195,468.60/x
  3. Step 3: Cross multiply
    296,945.40x = 445,418.10 × 195,468.60
  4. Step 4: Simplify right side
    296,945.40x = 87,065,252,421.66
  5. Step 5: Solve for x
    x = 87,065,252,421.66/296,945.40
  6. Step 6: Final answer
    x = 293,202.90

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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.