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Finding the Fourth Proportional to 353,892.62, 488,696.34 and 224,873.60

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Solution

The fourth proportional to 353,892.62, 488,696.34 and 224,873.60 is: 310,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,892.62 : 488,696.34 = 224,873.60 : x
  2. Step 2: Convert to fraction form
    353,892.62/488,696.34 = 224,873.60/x
  3. Step 3: Cross multiply
    353,892.62x = 488,696.34 × 224,873.60
  4. Step 4: Simplify right side
    353,892.62x = 109,894,905,282.62
  5. Step 5: Solve for x
    x = 109,894,905,282.62/353,892.62
  6. Step 6: Final answer
    x = 310,531.78

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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.