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Finding the Fourth Proportional to 323,996.82, 447,109.35 and 178,816.26

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Solution

The fourth proportional to 323,996.82, 447,109.35 and 178,816.26 is: 246,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,996.82 : 447,109.35 = 178,816.26 : x
  2. Step 2: Convert to fraction form
    323,996.82/447,109.35 = 178,816.26/x
  3. Step 3: Cross multiply
    323,996.82x = 447,109.35 × 178,816.26
  4. Step 4: Simplify right side
    323,996.82x = 79,950,421,778.03
  5. Step 5: Solve for x
    x = 79,950,421,778.03/323,996.82
  6. Step 6: Final answer
    x = 246,762.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.