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Finding the Fourth Proportional to 479,384.96, 719,049.24 and 179,840.45

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Solution

The fourth proportional to 479,384.96, 719,049.24 and 179,840.45 is: 269,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,384.96 : 719,049.24 = 179,840.45 : x
  2. Step 2: Convert to fraction form
    479,384.96/719,049.24 = 179,840.45/x
  3. Step 3: Cross multiply
    479,384.96x = 719,049.24 × 179,840.45
  4. Step 4: Simplify right side
    479,384.96x = 129,314,135,298.51
  5. Step 5: Solve for x
    x = 129,314,135,298.51/479,384.96
  6. Step 6: Final answer
    x = 269,750.09

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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.