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Finding the Fourth Proportional to 505,700.15, 758,296.28 and 168,621.48

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Solution

The fourth proportional to 505,700.15, 758,296.28 and 168,621.48 is: 252,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,700.15 : 758,296.28 = 168,621.48 : x
  2. Step 2: Convert to fraction form
    505,700.15/758,296.28 = 168,621.48/x
  3. Step 3: Cross multiply
    505,700.15x = 758,296.28 × 168,621.48
  4. Step 4: Simplify right side
    505,700.15x = 127,865,041,433.65
  5. Step 5: Solve for x
    x = 127,865,041,433.65/505,700.15
  6. Step 6: Final answer
    x = 252,847.55

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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.