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Finding the Fourth Proportional to 622,807.20, 934,441.20 and 202,096.80

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Solution

The fourth proportional to 622,807.20, 934,441.20 and 202,096.80 is: 303,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,807.20 : 934,441.20 = 202,096.80 : x
  2. Step 2: Convert to fraction form
    622,807.20/934,441.20 = 202,096.80/x
  3. Step 3: Cross multiply
    622,807.20x = 934,441.20 × 202,096.80
  4. Step 4: Simplify right side
    622,807.20x = 188,847,576,308.16
  5. Step 5: Solve for x
    x = 188,847,576,308.16/622,807.20
  6. Step 6: Final answer
    x = 303,219.96

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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.