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Finding the Fourth Proportional to 322,411.90, 444,893.09 and 186,425.27

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Solution

The fourth proportional to 322,411.90, 444,893.09 and 186,425.27 is: 257,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,411.90 : 444,893.09 = 186,425.27 : x
  2. Step 2: Convert to fraction form
    322,411.90/444,893.09 = 186,425.27/x
  3. Step 3: Cross multiply
    322,411.90x = 444,893.09 × 186,425.27
  4. Step 4: Simplify right side
    322,411.90x = 82,939,311,267.79
  5. Step 5: Solve for x
    x = 82,939,311,267.79/322,411.90
  6. Step 6: Final answer
    x = 257,246.44

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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.