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Finding the Fourth Proportional to 505,230.19, 757,759.12 and 168,232.61

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Solution

The fourth proportional to 505,230.19, 757,759.12 and 168,232.61 is: 252,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,230.19 : 757,759.12 = 168,232.61 : x
  2. Step 2: Convert to fraction form
    505,230.19/757,759.12 = 168,232.61/x
  3. Step 3: Cross multiply
    505,230.19x = 757,759.12 × 168,232.61
  4. Step 4: Simplify right side
    505,230.19x = 127,479,794,508.90
  5. Step 5: Solve for x
    x = 127,479,794,508.90/505,230.19
  6. Step 6: Final answer
    x = 252,320.22

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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.