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Finding the Fourth Proportional to 468,737.11, 702,165.25 and 215,665.03

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Solution

The fourth proportional to 468,737.11, 702,165.25 and 215,665.03 is: 323,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,737.11 : 702,165.25 = 215,665.03 : x
  2. Step 2: Convert to fraction form
    468,737.11/702,165.25 = 215,665.03/x
  3. Step 3: Cross multiply
    468,737.11x = 702,165.25 × 215,665.03
  4. Step 4: Simplify right side
    468,737.11x = 151,432,489,706.21
  5. Step 5: Solve for x
    x = 151,432,489,706.21/468,737.11
  6. Step 6: Final answer
    x = 323,064.86

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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.