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Finding the Fourth Proportional to 379,473.50, 523,673.44 and 228,599.66

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Solution

The fourth proportional to 379,473.50, 523,673.44 and 228,599.66 is: 315,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,473.50 : 523,673.44 = 228,599.66 : x
  2. Step 2: Convert to fraction form
    379,473.50/523,673.44 = 228,599.66/x
  3. Step 3: Cross multiply
    379,473.50x = 523,673.44 × 228,599.66
  4. Step 4: Simplify right side
    379,473.50x = 119,711,570,335.03
  5. Step 5: Solve for x
    x = 119,711,570,335.03/379,473.50
  6. Step 6: Final answer
    x = 315,467.54

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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.