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Finding the Fourth Proportional to 339,165.77, 467,915.54 and 203,205.42

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Solution

The fourth proportional to 339,165.77, 467,915.54 and 203,205.42 is: 280,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,165.77 : 467,915.54 = 203,205.42 : x
  2. Step 2: Convert to fraction form
    339,165.77/467,915.54 = 203,205.42/x
  3. Step 3: Cross multiply
    339,165.77x = 467,915.54 × 203,205.42
  4. Step 4: Simplify right side
    339,165.77x = 95,082,972,814.20
  5. Step 5: Solve for x
    x = 95,082,972,814.20/339,165.77
  6. Step 6: Final answer
    x = 280,343.66

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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.