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Finding the Fourth Proportional to 433,469.78, 598,188.83 and 239,885.51

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Solution

The fourth proportional to 433,469.78, 598,188.83 and 239,885.51 is: 331,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,469.78 : 598,188.83 = 239,885.51 : x
  2. Step 2: Convert to fraction form
    433,469.78/598,188.83 = 239,885.51/x
  3. Step 3: Cross multiply
    433,469.78x = 598,188.83 × 239,885.51
  4. Step 4: Simplify right side
    433,469.78x = 143,496,832,560.85
  5. Step 5: Solve for x
    x = 143,496,832,560.85/433,469.78
  6. Step 6: Final answer
    x = 331,042.30

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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.