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Finding the Fourth Proportional to 505,164.76, 757,213.98 and 168,114.76

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Solution

The fourth proportional to 505,164.76, 757,213.98 and 168,114.76 is: 251,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,164.76 : 757,213.98 = 168,114.76 : x
  2. Step 2: Convert to fraction form
    505,164.76/757,213.98 = 168,114.76/x
  3. Step 3: Cross multiply
    505,164.76x = 757,213.98 × 168,114.76
  4. Step 4: Simplify right side
    505,164.76x = 127,298,846,516.35
  5. Step 5: Solve for x
    x = 127,298,846,516.35/505,164.76
  6. Step 6: Final answer
    x = 251,994.71

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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.