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Finding the Fourth Proportional to 622,812.70, 934,449.45 and 202,102.30

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Solution

The fourth proportional to 622,812.70, 934,449.45 and 202,102.30 is: 303,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,812.70 : 934,449.45 = 202,102.30 : x
  2. Step 2: Convert to fraction form
    622,812.70/934,449.45 = 202,102.30/x
  3. Step 3: Cross multiply
    622,812.70x = 934,449.45 × 202,102.30
  4. Step 4: Simplify right side
    622,812.70x = 188,854,383,078.74
  5. Step 5: Solve for x
    x = 188,854,383,078.74/622,812.70
  6. Step 6: Final answer
    x = 303,228.21

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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.