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Finding the Fourth Proportional to 479,636.98, 719,286.57 and 159,701.96

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Solution

The fourth proportional to 479,636.98, 719,286.57 and 159,701.96 is: 239,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,636.98 : 719,286.57 = 159,701.96 : x
  2. Step 2: Convert to fraction form
    479,636.98/719,286.57 = 159,701.96/x
  3. Step 3: Cross multiply
    479,636.98x = 719,286.57 × 159,701.96
  4. Step 4: Simplify right side
    479,636.98x = 114,871,476,828.89
  5. Step 5: Solve for x
    x = 114,871,476,828.89/479,636.98
  6. Step 6: Final answer
    x = 239,496.71

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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.