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Finding the Fourth Proportional to 505,700.41, 758,296.65 and 168,621.73

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Solution

The fourth proportional to 505,700.41, 758,296.65 and 168,621.73 is: 252,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,700.41 : 758,296.65 = 168,621.73 : x
  2. Step 2: Convert to fraction form
    505,700.41/758,296.65 = 168,621.73/x
  3. Step 3: Cross multiply
    505,700.41x = 758,296.65 × 168,621.73
  4. Step 4: Simplify right side
    505,700.41x = 127,865,292,976.21
  5. Step 5: Solve for x
    x = 127,865,292,976.21/505,700.41
  6. Step 6: Final answer
    x = 252,847.91

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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.