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Finding the Fourth Proportional to 329,260.50, 454,379.63 and 178,357.50

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Solution

The fourth proportional to 329,260.50, 454,379.63 and 178,357.50 is: 246,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,260.50 : 454,379.63 = 178,357.50 : x
  2. Step 2: Convert to fraction form
    329,260.50/454,379.63 = 178,357.50/x
  3. Step 3: Cross multiply
    329,260.50x = 454,379.63 × 178,357.50
  4. Step 4: Simplify right side
    329,260.50x = 81,042,013,965.94
  5. Step 5: Solve for x
    x = 81,042,013,965.94/329,260.50
  6. Step 6: Final answer
    x = 246,133.42

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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.