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Finding the Fourth Proportional to 362,709.20, 544,063.80 and 194,747.60

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Solution

The fourth proportional to 362,709.20, 544,063.80 and 194,747.60 is: 292,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,709.20 : 544,063.80 = 194,747.60 : x
  2. Step 2: Convert to fraction form
    362,709.20/544,063.80 = 194,747.60/x
  3. Step 3: Cross multiply
    362,709.20x = 544,063.80 × 194,747.60
  4. Step 4: Simplify right side
    362,709.20x = 105,955,119,296.88
  5. Step 5: Solve for x
    x = 105,955,119,296.88/362,709.20
  6. Step 6: Final answer
    x = 292,121.40

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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.