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Finding the Fourth Proportional to 323,910.42, 446,997.06 and 180,666.78

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Solution

The fourth proportional to 323,910.42, 446,997.06 and 180,666.78 is: 249,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,910.42 : 446,997.06 = 180,666.78 : x
  2. Step 2: Convert to fraction form
    323,910.42/446,997.06 = 180,666.78/x
  3. Step 3: Cross multiply
    323,910.42x = 446,997.06 × 180,666.78
  4. Step 4: Simplify right side
    323,910.42x = 80,757,519,499.67
  5. Step 5: Solve for x
    x = 80,757,519,499.67/323,910.42
  6. Step 6: Final answer
    x = 249,320.54

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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.