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Finding the Fourth Proportional to 656,100.70, 984,189.93 and 206,835.82

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Solution

The fourth proportional to 656,100.70, 984,189.93 and 206,835.82 is: 310,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,100.70 : 984,189.93 = 206,835.82 : x
  2. Step 2: Convert to fraction form
    656,100.70/984,189.93 = 206,835.82/x
  3. Step 3: Cross multiply
    656,100.70x = 984,189.93 × 206,835.82
  4. Step 4: Simplify right side
    656,100.70x = 203,565,731,207.29
  5. Step 5: Solve for x
    x = 203,565,731,207.29/656,100.70
  6. Step 6: Final answer
    x = 310,265.99

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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.