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Finding the Fourth Proportional to 479,626.94, 719,271.51 and 159,691.92

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Solution

The fourth proportional to 479,626.94, 719,271.51 and 159,691.92 is: 239,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,626.94 : 719,271.51 = 159,691.92 : x
  2. Step 2: Convert to fraction form
    479,626.94/719,271.51 = 159,691.92/x
  3. Step 3: Cross multiply
    479,626.94x = 719,271.51 × 159,691.92
  4. Step 4: Simplify right side
    479,626.94x = 114,861,848,433.20
  5. Step 5: Solve for x
    x = 114,861,848,433.20/479,626.94
  6. Step 6: Final answer
    x = 239,481.65

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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.