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Finding the Fourth Proportional to 479,709.41, 719,432.76 and 180,166.82

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Solution

The fourth proportional to 479,709.41, 719,432.76 and 180,166.82 is: 270,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,709.41 : 719,432.76 = 180,166.82 : x
  2. Step 2: Convert to fraction form
    479,709.41/719,432.76 = 180,166.82/x
  3. Step 3: Cross multiply
    479,709.41x = 719,432.76 × 180,166.82
  4. Step 4: Simplify right side
    479,709.41x = 129,617,912,573.02
  5. Step 5: Solve for x
    x = 129,617,912,573.02/479,709.41
  6. Step 6: Final answer
    x = 270,200.90

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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.