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Finding the Fourth Proportional to 478,942.82, 718,367.58 and 194,650.41

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Solution

The fourth proportional to 478,942.82, 718,367.58 and 194,650.41 is: 291,956.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,942.82 : 718,367.58 = 194,650.41 : x
  2. Step 2: Convert to fraction form
    478,942.82/718,367.58 = 194,650.41/x
  3. Step 3: Cross multiply
    478,942.82x = 718,367.58 × 194,650.41
  4. Step 4: Simplify right side
    478,942.82x = 139,830,546,671.59
  5. Step 5: Solve for x
    x = 139,830,546,671.59/478,942.82
  6. Step 6: Final answer
    x = 291,956.66

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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.