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Finding the Fourth Proportional to 230,654.48, 318,020.40 and 189,675.41

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Solution

The fourth proportional to 230,654.48, 318,020.40 and 189,675.41 is: 261,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,654.48 : 318,020.40 = 189,675.41 : x
  2. Step 2: Convert to fraction form
    230,654.48/318,020.40 = 189,675.41/x
  3. Step 3: Cross multiply
    230,654.48x = 318,020.40 × 189,675.41
  4. Step 4: Simplify right side
    230,654.48x = 60,320,648,168.26
  5. Step 5: Solve for x
    x = 60,320,648,168.26/230,654.48
  6. Step 6: Final answer
    x = 261,519.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.