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Finding the Fourth Proportional to 500,630.78, 750,992.28 and 163,673.22

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Solution

The fourth proportional to 500,630.78, 750,992.28 and 163,673.22 is: 245,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,630.78 : 750,992.28 = 163,673.22 : x
  2. Step 2: Convert to fraction form
    500,630.78/750,992.28 = 163,673.22/x
  3. Step 3: Cross multiply
    500,630.78x = 750,992.28 × 163,673.22
  4. Step 4: Simplify right side
    500,630.78x = 122,917,324,662.74
  5. Step 5: Solve for x
    x = 122,917,324,662.74/500,630.78
  6. Step 6: Final answer
    x = 245,524.90

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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.