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Finding the Fourth Proportional to 323,476,957.95, 484,721,696.52 and 192,060,447.90

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Solution

The fourth proportional to 323,476,957.95, 484,721,696.52 and 192,060,447.90 is: 287,797,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,476,957.95 : 484,721,696.52 = 192,060,447.90 : x
  2. Step 2: Convert to fraction form
    323,476,957.95/484,721,696.52 = 192,060,447.90/x
  3. Step 3: Cross multiply
    323,476,957.95x = 484,721,696.52 × 192,060,447.90
  4. Step 4: Simplify right side
    323,476,957.95x = 93,095,866,140,479,072
  5. Step 5: Solve for x
    x = 93,095,866,140,479,072/323,476,957.95
  6. Step 6: Final answer
    x = 287,797,519.58

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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.