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Finding the Fourth Proportional to 354,800.70, 532,436.11 and 194,988.24

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Solution

The fourth proportional to 354,800.70, 532,436.11 and 194,988.24 is: 292,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,800.70 : 532,436.11 = 194,988.24 : x
  2. Step 2: Convert to fraction form
    354,800.70/532,436.11 = 194,988.24/x
  3. Step 3: Cross multiply
    354,800.70x = 532,436.11 × 194,988.24
  4. Step 4: Simplify right side
    354,800.70x = 103,818,782,241.72
  5. Step 5: Solve for x
    x = 103,818,782,241.72/354,800.70
  6. Step 6: Final answer
    x = 292,611.55

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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.