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Finding the Fourth Proportional to 322,344.60, 444,874.34 and 186,411.95

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Solution

The fourth proportional to 322,344.60, 444,874.34 and 186,411.95 is: 257,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,344.60 : 444,874.34 = 186,411.95 : x
  2. Step 2: Convert to fraction form
    322,344.60/444,874.34 = 186,411.95/x
  3. Step 3: Cross multiply
    322,344.60x = 444,874.34 × 186,411.95
  4. Step 4: Simplify right side
    322,344.60x = 82,929,893,134.30
  5. Step 5: Solve for x
    x = 82,929,893,134.30/322,344.60
  6. Step 6: Final answer
    x = 257,270.93

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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.