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Finding the Fourth Proportional to 603,171.18, 832,390.17 and 345,072.36

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Solution

The fourth proportional to 603,171.18, 832,390.17 and 345,072.36 is: 476,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,171.18 : 832,390.17 = 345,072.36 : x
  2. Step 2: Convert to fraction form
    603,171.18/832,390.17 = 345,072.36/x
  3. Step 3: Cross multiply
    603,171.18x = 832,390.17 × 345,072.36
  4. Step 4: Simplify right side
    603,171.18x = 287,234,840,402.70
  5. Step 5: Solve for x
    x = 287,234,840,402.70/603,171.18
  6. Step 6: Final answer
    x = 476,207.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.