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Finding the Fourth Proportional to 329,609.44, 454,848.39 and 186,372.48

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Solution

The fourth proportional to 329,609.44, 454,848.39 and 186,372.48 is: 257,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,609.44 : 454,848.39 = 186,372.48 : x
  2. Step 2: Convert to fraction form
    329,609.44/454,848.39 = 186,372.48/x
  3. Step 3: Cross multiply
    329,609.44x = 454,848.39 × 186,372.48
  4. Step 4: Simplify right side
    329,609.44x = 84,771,222,468.31
  5. Step 5: Solve for x
    x = 84,771,222,468.31/329,609.44
  6. Step 6: Final answer
    x = 257,186.88

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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.