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Finding the Fourth Proportional to 492,704.70, 739,057.05 and 437,592.30

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Solution

The fourth proportional to 492,704.70, 739,057.05 and 437,592.30 is: 656,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,704.70 : 739,057.05 = 437,592.30 : x
  2. Step 2: Convert to fraction form
    492,704.70/739,057.05 = 437,592.30/x
  3. Step 3: Cross multiply
    492,704.70x = 739,057.05 × 437,592.30
  4. Step 4: Simplify right side
    492,704.70x = 323,405,674,340.72
  5. Step 5: Solve for x
    x = 323,405,674,340.72/492,704.70
  6. Step 6: Final answer
    x = 656,388.45

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Similar ratio
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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.