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Finding the Fourth Proportional to 326,908.84, 490,376.82 and 102,273.58

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Solution

The fourth proportional to 326,908.84, 490,376.82 and 102,273.58 is: 153,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,908.84 : 490,376.82 = 102,273.58 : x
  2. Step 2: Convert to fraction form
    326,908.84/490,376.82 = 102,273.58/x
  3. Step 3: Cross multiply
    326,908.84x = 490,376.82 × 102,273.58
  4. Step 4: Simplify right side
    326,908.84x = 50,152,592,930.42
  5. Step 5: Solve for x
    x = 50,152,592,930.42/326,908.84
  6. Step 6: Final answer
    x = 153,414.61

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1.5x scale

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.