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Finding the Fourth Proportional to 479,710.41, 719,434.26 and 180,167.82

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Solution

The fourth proportional to 479,710.41, 719,434.26 and 180,167.82 is: 270,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,710.41 : 719,434.26 = 180,167.82 : x
  2. Step 2: Convert to fraction form
    479,710.41/719,434.26 = 180,167.82/x
  3. Step 3: Cross multiply
    479,710.41x = 719,434.26 × 180,167.82
  4. Step 4: Simplify right side
    479,710.41x = 129,618,902,257.51
  5. Step 5: Solve for x
    x = 129,618,902,257.51/479,710.41
  6. Step 6: Final answer
    x = 270,202.40

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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.