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Finding the Fourth Proportional to 337,005, 505,896.30 and 171,142.92

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Solution

The fourth proportional to 337,005, 505,896.30 and 171,142.92 is: 256,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,005 : 505,896.30 = 171,142.92 : x
  2. Step 2: Convert to fraction form
    337,005/505,896.30 = 171,142.92/x
  3. Step 3: Cross multiply
    337,005x = 505,896.30 × 171,142.92
  4. Step 4: Simplify right side
    337,005x = 86,580,569,999.20
  5. Step 5: Solve for x
    x = 86,580,569,999.20/337,005
  6. Step 6: Final answer
    x = 256,911.83

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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.