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Finding the Fourth Proportional to 320,833.55, 481,084.21 and 171,033.60

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Solution

The fourth proportional to 320,833.55, 481,084.21 and 171,033.60 is: 256,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,833.55 : 481,084.21 = 171,033.60 : x
  2. Step 2: Convert to fraction form
    320,833.55/481,084.21 = 171,033.60/x
  3. Step 3: Cross multiply
    320,833.55x = 481,084.21 × 171,033.60
  4. Step 4: Simplify right side
    320,833.55x = 82,281,566,357.31
  5. Step 5: Solve for x
    x = 82,281,566,357.31/320,833.55
  6. Step 6: Final answer
    x = 256,461.85

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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.