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Finding the Fourth Proportional to 206,598.60, 289,631.70 and 206,598.60

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Solution

The fourth proportional to 206,598.60, 289,631.70 and 206,598.60 is: 289,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,598.60 : 289,631.70 = 206,598.60 : x
  2. Step 2: Convert to fraction form
    206,598.60/289,631.70 = 206,598.60/x
  3. Step 3: Cross multiply
    206,598.60x = 289,631.70 × 206,598.60
  4. Step 4: Simplify right side
    206,598.60x = 59,837,503,735.62
  5. Step 5: Solve for x
    x = 59,837,503,735.62/206,598.60
  6. Step 6: Final answer
    x = 289,631.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.