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Finding the Fourth Proportional to 476,803.41, 658,000.31 and 261,957.39

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Solution

The fourth proportional to 476,803.41, 658,000.31 and 261,957.39 is: 361,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,803.41 : 658,000.31 = 261,957.39 : x
  2. Step 2: Convert to fraction form
    476,803.41/658,000.31 = 261,957.39/x
  3. Step 3: Cross multiply
    476,803.41x = 658,000.31 × 261,957.39
  4. Step 4: Simplify right side
    476,803.41x = 172,368,042,517.00
  5. Step 5: Solve for x
    x = 172,368,042,517.00/476,803.41
  6. Step 6: Final answer
    x = 361,507.57

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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.