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Finding the Fourth Proportional to 250,522.70, 376,158.87 and 216,892.71

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Solution

The fourth proportional to 250,522.70, 376,158.87 and 216,892.71 is: 325,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,522.70 : 376,158.87 = 216,892.71 : x
  2. Step 2: Convert to fraction form
    250,522.70/376,158.87 = 216,892.71/x
  3. Step 3: Cross multiply
    250,522.70x = 376,158.87 × 216,892.71
  4. Step 4: Simplify right side
    250,522.70x = 81,586,116,704.84
  5. Step 5: Solve for x
    x = 81,586,116,704.84/250,522.70
  6. Step 6: Final answer
    x = 325,663.58

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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.