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Finding the Fourth Proportional to 323,379.67, 484,701.68 and 196,740.77

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Solution

The fourth proportional to 323,379.67, 484,701.68 and 196,740.77 is: 294,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,379.67 : 484,701.68 = 196,740.77 : x
  2. Step 2: Convert to fraction form
    323,379.67/484,701.68 = 196,740.77/x
  3. Step 3: Cross multiply
    323,379.67x = 484,701.68 × 196,740.77
  4. Step 4: Simplify right side
    323,379.67x = 95,360,582,933.17
  5. Step 5: Solve for x
    x = 95,360,582,933.17/323,379.67
  6. Step 6: Final answer
    x = 294,887.38

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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.