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Finding the Fourth Proportional to 320,836.37, 481,088.42 and 171,036.42

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Solution

The fourth proportional to 320,836.37, 481,088.42 and 171,036.42 is: 256,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,836.37 : 481,088.42 = 171,036.42 : x
  2. Step 2: Convert to fraction form
    320,836.37/481,088.42 = 171,036.42/x
  3. Step 3: Cross multiply
    320,836.37x = 481,088.42 × 171,036.42
  4. Step 4: Simplify right side
    320,836.37x = 82,283,641,487.85
  5. Step 5: Solve for x
    x = 82,283,641,487.85/320,836.37
  6. Step 6: Final answer
    x = 256,466.07

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1.5x scale

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.