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Finding the Fourth Proportional to 263,693.03, 396,662 and 239,030.49

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Solution

The fourth proportional to 263,693.03, 396,662 and 239,030.49 is: 359,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,693.03 : 396,662 = 239,030.49 : x
  2. Step 2: Convert to fraction form
    263,693.03/396,662 = 239,030.49/x
  3. Step 3: Cross multiply
    263,693.03x = 396,662 × 239,030.49
  4. Step 4: Simplify right side
    263,693.03x = 94,814,312,224.38
  5. Step 5: Solve for x
    x = 94,814,312,224.38/263,693.03
  6. Step 6: Final answer
    x = 359,563.21

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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.