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Finding the Fourth Proportional to 310,540.65, 465,865.65 and 110,976.90

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Solution

The fourth proportional to 310,540.65, 465,865.65 and 110,976.90 is: 166,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,540.65 : 465,865.65 = 110,976.90 : x
  2. Step 2: Convert to fraction form
    310,540.65/465,865.65 = 110,976.90/x
  3. Step 3: Cross multiply
    310,540.65x = 465,865.65 × 110,976.90
  4. Step 4: Simplify right side
    310,540.65x = 51,700,325,653.49
  5. Step 5: Solve for x
    x = 51,700,325,653.49/310,540.65
  6. Step 6: Final answer
    x = 166,484.89

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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.