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Finding the Fourth Proportional to 468,651.52, 646,737.82 and 253,791.53

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Solution

The fourth proportional to 468,651.52, 646,737.82 and 253,791.53 is: 350,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,651.52 : 646,737.82 = 253,791.53 : x
  2. Step 2: Convert to fraction form
    468,651.52/646,737.82 = 253,791.53/x
  3. Step 3: Cross multiply
    468,651.52x = 646,737.82 × 253,791.53
  4. Step 4: Simplify right side
    468,651.52x = 164,136,579,403.76
  5. Step 5: Solve for x
    x = 164,136,579,403.76/468,651.52
  6. Step 6: Final answer
    x = 350,231.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.