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Finding the Fourth Proportional to 479,771.91, 719,906.94 and 195,670.89

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Solution

The fourth proportional to 479,771.91, 719,906.94 and 195,670.89 is: 293,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,771.91 : 719,906.94 = 195,670.89 : x
  2. Step 2: Convert to fraction form
    479,771.91/719,906.94 = 195,670.89/x
  3. Step 3: Cross multiply
    479,771.91x = 719,906.94 × 195,670.89
  4. Step 4: Simplify right side
    479,771.91x = 140,864,831,666.98
  5. Step 5: Solve for x
    x = 140,864,831,666.98/479,771.91
  6. Step 6: Final answer
    x = 293,607.92

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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.