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Finding the Fourth Proportional to 353,647.02, 530,476.02 and 196,871.94

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Solution

The fourth proportional to 353,647.02, 530,476.02 and 196,871.94 is: 295,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,647.02 : 530,476.02 = 196,871.94 : x
  2. Step 2: Convert to fraction form
    353,647.02/530,476.02 = 196,871.94/x
  3. Step 3: Cross multiply
    353,647.02x = 530,476.02 × 196,871.94
  4. Step 4: Simplify right side
    353,647.02x = 104,435,843,180.88
  5. Step 5: Solve for x
    x = 104,435,843,180.88/353,647.02
  6. Step 6: Final answer
    x = 295,310.97

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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.