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Finding the Fourth Proportional to 329,249.58, 454,364.43 and 178,346.58

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Solution

The fourth proportional to 329,249.58, 454,364.43 and 178,346.58 is: 246,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,249.58 : 454,364.43 = 178,346.58 : x
  2. Step 2: Convert to fraction form
    329,249.58/454,364.43 = 178,346.58/x
  3. Step 3: Cross multiply
    329,249.58x = 454,364.43 × 178,346.58
  4. Step 4: Simplify right side
    329,249.58x = 81,034,342,164.15
  5. Step 5: Solve for x
    x = 81,034,342,164.15/329,249.58
  6. Step 6: Final answer
    x = 246,118.29

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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.