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Finding the Fourth Proportional to 445,654.60, 668,711.66 and 295,998.44

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Solution

The fourth proportional to 445,654.60, 668,711.66 and 295,998.44 is: 444,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,654.60 : 668,711.66 = 295,998.44 : x
  2. Step 2: Convert to fraction form
    445,654.60/668,711.66 = 295,998.44/x
  3. Step 3: Cross multiply
    445,654.60x = 668,711.66 × 295,998.44
  4. Step 4: Simplify right side
    445,654.60x = 197,937,608,169.81
  5. Step 5: Solve for x
    x = 197,937,608,169.81/445,654.60
  6. Step 6: Final answer
    x = 444,150.26

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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.