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Finding the Fourth Proportional to 356,098.63, 533,778.86 and 222,672.64

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Solution

The fourth proportional to 356,098.63, 533,778.86 and 222,672.64 is: 333,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,098.63 : 533,778.86 = 222,672.64 : x
  2. Step 2: Convert to fraction form
    356,098.63/533,778.86 = 222,672.64/x
  3. Step 3: Cross multiply
    356,098.63x = 533,778.86 × 222,672.64
  4. Step 4: Simplify right side
    356,098.63x = 118,857,946,819.03
  5. Step 5: Solve for x
    x = 118,857,946,819.03/356,098.63
  6. Step 6: Final answer
    x = 333,778.16

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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.