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Finding the Fourth Proportional to 450,343.28, 675,748.48 and 197,801.48

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Solution

The fourth proportional to 450,343.28, 675,748.48 and 197,801.48 is: 296,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,343.28 : 675,748.48 = 197,801.48 : x
  2. Step 2: Convert to fraction form
    450,343.28/675,748.48 = 197,801.48/x
  3. Step 3: Cross multiply
    450,343.28x = 675,748.48 × 197,801.48
  4. Step 4: Simplify right side
    450,343.28x = 133,664,049,451.75
  5. Step 5: Solve for x
    x = 133,664,049,451.75/450,343.28
  6. Step 6: Final answer
    x = 296,804.81

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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.