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Finding the Fourth Proportional to 224,495.28, 309,842.01 and 214,405.92

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Solution

The fourth proportional to 224,495.28, 309,842.01 and 214,405.92 is: 295,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,495.28 : 309,842.01 = 214,405.92 : x
  2. Step 2: Convert to fraction form
    224,495.28/309,842.01 = 214,405.92/x
  3. Step 3: Cross multiply
    224,495.28x = 309,842.01 × 214,405.92
  4. Step 4: Simplify right side
    224,495.28x = 66,431,961,208.70
  5. Step 5: Solve for x
    x = 66,431,961,208.70/224,495.28
  6. Step 6: Final answer
    x = 295,916.96

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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.