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Finding the Fourth Proportional to 964,658.70, 1,447,195.42 and 325,026

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Solution

The fourth proportional to 964,658.70, 1,447,195.42 and 325,026 is: 487,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,658.70 : 1,447,195.42 = 325,026 : x
  2. Step 2: Convert to fraction form
    964,658.70/1,447,195.42 = 325,026/x
  3. Step 3: Cross multiply
    964,658.70x = 1,447,195.42 × 325,026
  4. Step 4: Simplify right side
    964,658.70x = 470,376,138,580.92
  5. Step 5: Solve for x
    x = 470,376,138,580.92/964,658.70
  6. Step 6: Final answer
    x = 487,608.87

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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.