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Finding the Fourth Proportional to 615,940.60, 923,998.38 and 189,511.74

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Solution

The fourth proportional to 615,940.60, 923,998.38 and 189,511.74 is: 284,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,940.60 : 923,998.38 = 189,511.74 : x
  2. Step 2: Convert to fraction form
    615,940.60/923,998.38 = 189,511.74/x
  3. Step 3: Cross multiply
    615,940.60x = 923,998.38 × 189,511.74
  4. Step 4: Simplify right side
    615,940.60x = 175,108,540,750.98
  5. Step 5: Solve for x
    x = 175,108,540,750.98/615,940.60
  6. Step 6: Final answer
    x = 284,294.53

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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.