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Finding the Fourth Proportional to 296,722.94, 445,154.44 and 97,042.56

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Solution

The fourth proportional to 296,722.94, 445,154.44 and 97,042.56 is: 145,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,722.94 : 445,154.44 = 97,042.56 : x
  2. Step 2: Convert to fraction form
    296,722.94/445,154.44 = 97,042.56/x
  3. Step 3: Cross multiply
    296,722.94x = 445,154.44 × 97,042.56
  4. Step 4: Simplify right side
    296,722.94x = 43,198,926,452.97
  5. Step 5: Solve for x
    x = 43,198,926,452.97/296,722.94
  6. Step 6: Final answer
    x = 145,586.74

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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.