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Finding the Fourth Proportional to 354,800.90, 532,436.39 and 194,988.44

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Solution

The fourth proportional to 354,800.90, 532,436.39 and 194,988.44 is: 292,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,800.90 : 532,436.39 = 194,988.44 : x
  2. Step 2: Convert to fraction form
    354,800.90/532,436.39 = 194,988.44/x
  3. Step 3: Cross multiply
    354,800.90x = 532,436.39 × 194,988.44
  4. Step 4: Simplify right side
    354,800.90x = 103,818,938,910.62
  5. Step 5: Solve for x
    x = 103,818,938,910.62/354,800.90
  6. Step 6: Final answer
    x = 292,611.83

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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.