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Finding the Fourth Proportional to 445,657.60, 668,716.16 and 296,001.44

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Solution

The fourth proportional to 445,657.60, 668,716.16 and 296,001.44 is: 444,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,657.60 : 668,716.16 = 296,001.44 : x
  2. Step 2: Convert to fraction form
    445,657.60/668,716.16 = 296,001.44/x
  3. Step 3: Cross multiply
    445,657.60x = 668,716.16 × 296,001.44
  4. Step 4: Simplify right side
    445,657.60x = 197,940,946,311.27
  5. Step 5: Solve for x
    x = 197,940,946,311.27/445,657.60
  6. Step 6: Final answer
    x = 444,154.76

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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.