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Finding the Fourth Proportional to 615,592.20, 923,301.90 and 194,910.60

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Solution

The fourth proportional to 615,592.20, 923,301.90 and 194,910.60 is: 292,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,592.20 : 923,301.90 = 194,910.60 : x
  2. Step 2: Convert to fraction form
    615,592.20/923,301.90 = 194,910.60/x
  3. Step 3: Cross multiply
    615,592.20x = 923,301.90 × 194,910.60
  4. Step 4: Simplify right side
    615,592.20x = 179,961,327,310.14
  5. Step 5: Solve for x
    x = 179,961,327,310.14/615,592.20
  6. Step 6: Final answer
    x = 292,338.54

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1.5x scale

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.