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Finding the Fourth Proportional to 479,882.55, 719,270.23 and 180,171.97

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Solution

The fourth proportional to 479,882.55, 719,270.23 and 180,171.97 is: 270,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,882.55 : 719,270.23 = 180,171.97 : x
  2. Step 2: Convert to fraction form
    479,882.55/719,270.23 = 180,171.97/x
  3. Step 3: Cross multiply
    479,882.55x = 719,270.23 × 180,171.97
  4. Step 4: Simplify right side
    479,882.55x = 129,592,334,301.45
  5. Step 5: Solve for x
    x = 129,592,334,301.45/479,882.55
  6. Step 6: Final answer
    x = 270,050.11

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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.