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Finding the Fourth Proportional to 500,953.92, 751,508.64 and 168,504

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Solution

The fourth proportional to 500,953.92, 751,508.64 and 168,504 is: 252,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,953.92 : 751,508.64 = 168,504 : x
  2. Step 2: Convert to fraction form
    500,953.92/751,508.64 = 168,504/x
  3. Step 3: Cross multiply
    500,953.92x = 751,508.64 × 168,504
  4. Step 4: Simplify right side
    500,953.92x = 126,632,211,874.56
  5. Step 5: Solve for x
    x = 126,632,211,874.56/500,953.92
  6. Step 6: Final answer
    x = 252,782.16

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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.