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Finding the Fourth Proportional to 479,583.56, 719,219.58 and 159,649.49

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Solution

The fourth proportional to 479,583.56, 719,219.58 and 159,649.49 is: 239,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,583.56 : 719,219.58 = 159,649.49 : x
  2. Step 2: Convert to fraction form
    479,583.56/719,219.58 = 159,649.49/x
  3. Step 3: Cross multiply
    479,583.56x = 719,219.58 × 159,649.49
  4. Step 4: Simplify right side
    479,583.56x = 114,823,035,548.92
  5. Step 5: Solve for x
    x = 114,823,035,548.92/479,583.56
  6. Step 6: Final answer
    x = 239,422.38

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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.