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Finding the Fourth Proportional to 445,609.83, 668,644.53 and 295,953.69

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Solution

The fourth proportional to 445,609.83, 668,644.53 and 295,953.69 is: 444,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,609.83 : 668,644.53 = 295,953.69 : x
  2. Step 2: Convert to fraction form
    445,609.83/668,644.53 = 295,953.69/x
  3. Step 3: Cross multiply
    445,609.83x = 668,644.53 × 295,953.69
  4. Step 4: Simplify right side
    445,609.83x = 197,887,815,951.82
  5. Step 5: Solve for x
    x = 197,887,815,951.82/445,609.83
  6. Step 6: Final answer
    x = 444,083.15

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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.