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Finding the Fourth Proportional to 647,536.55, 970,916.02 and 332,608.55

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Solution

The fourth proportional to 647,536.55, 970,916.02 and 332,608.55 is: 498,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,536.55 : 970,916.02 = 332,608.55 : x
  2. Step 2: Convert to fraction form
    647,536.55/970,916.02 = 332,608.55/x
  3. Step 3: Cross multiply
    647,536.55x = 970,916.02 × 332,608.55
  4. Step 4: Simplify right side
    647,536.55x = 322,934,969,583.97
  5. Step 5: Solve for x
    x = 322,934,969,583.97/647,536.55
  6. Step 6: Final answer
    x = 498,713.11

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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.