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Finding the Fourth Proportional to 354,650.16, 532,121.58 and 196,690.44

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Solution

The fourth proportional to 354,650.16, 532,121.58 and 196,690.44 is: 295,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,650.16 : 532,121.58 = 196,690.44 : x
  2. Step 2: Convert to fraction form
    354,650.16/532,121.58 = 196,690.44/x
  3. Step 3: Cross multiply
    354,650.16x = 532,121.58 × 196,690.44
  4. Step 4: Simplify right side
    354,650.16x = 104,663,227,703.70
  5. Step 5: Solve for x
    x = 104,663,227,703.70/354,650.16
  6. Step 6: Final answer
    x = 295,116.82

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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.