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Finding the Fourth Proportional to 500,630.27, 750,991.50 and 163,672.70

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Solution

The fourth proportional to 500,630.27, 750,991.50 and 163,672.70 is: 245,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,630.27 : 750,991.50 = 163,672.70 : x
  2. Step 2: Convert to fraction form
    500,630.27/750,991.50 = 163,672.70/x
  3. Step 3: Cross multiply
    500,630.27x = 750,991.50 × 163,672.70
  4. Step 4: Simplify right side
    500,630.27x = 122,916,802,727.09
  5. Step 5: Solve for x
    x = 122,916,802,727.09/500,630.27
  6. Step 6: Final answer
    x = 245,524.11

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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.