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Finding the Fourth Proportional to 505,999.90, 759,084.90 and 151,049.80

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Solution

The fourth proportional to 505,999.90, 759,084.90 and 151,049.80 is: 226,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,999.90 : 759,084.90 = 151,049.80 : x
  2. Step 2: Convert to fraction form
    505,999.90/759,084.90 = 151,049.80/x
  3. Step 3: Cross multiply
    505,999.90x = 759,084.90 × 151,049.80
  4. Step 4: Simplify right side
    505,999.90x = 114,659,622,328.02
  5. Step 5: Solve for x
    x = 114,659,622,328.02/505,999.90
  6. Step 6: Final answer
    x = 226,600.09

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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.