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Finding the Fourth Proportional to 615,493.80, 923,327.10 and 194,725.80

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Solution

The fourth proportional to 615,493.80, 923,327.10 and 194,725.80 is: 292,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,493.80 : 923,327.10 = 194,725.80 : x
  2. Step 2: Convert to fraction form
    615,493.80/923,327.10 = 194,725.80/x
  3. Step 3: Cross multiply
    615,493.80x = 923,327.10 × 194,725.80
  4. Step 4: Simplify right side
    615,493.80x = 179,795,608,209.18
  5. Step 5: Solve for x
    x = 179,795,608,209.18/615,493.80
  6. Step 6: Final answer
    x = 292,116.03

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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.