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Finding the Fourth Proportional to 373,906.34, 515,988.05 and 204,140.46

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Solution

The fourth proportional to 373,906.34, 515,988.05 and 204,140.46 is: 281,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,906.34 : 515,988.05 = 204,140.46 : x
  2. Step 2: Convert to fraction form
    373,906.34/515,988.05 = 204,140.46/x
  3. Step 3: Cross multiply
    373,906.34x = 515,988.05 × 204,140.46
  4. Step 4: Simplify right side
    373,906.34x = 105,334,037,881.50
  5. Step 5: Solve for x
    x = 105,334,037,881.50/373,906.34
  6. Step 6: Final answer
    x = 281,712.36

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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.