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Finding the Fourth Proportional to 964,509.82, 1,446,469.22 and 666,902.86

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Solution

The fourth proportional to 964,509.82, 1,446,469.22 and 666,902.86 is: 1,000,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,509.82 : 1,446,469.22 = 666,902.86 : x
  2. Step 2: Convert to fraction form
    964,509.82/1,446,469.22 = 666,902.86/x
  3. Step 3: Cross multiply
    964,509.82x = 1,446,469.22 × 666,902.86
  4. Step 4: Simplify right side
    964,509.82x = 964,654,459,719.97
  5. Step 5: Solve for x
    x = 964,654,459,719.97/964,509.82
  6. Step 6: Final answer
    x = 1,000,149.96

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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.