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Finding the Fourth Proportional to 526,172.88, 788,891.93 and 269,506.95

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Solution

The fourth proportional to 526,172.88, 788,891.93 and 269,506.95 is: 404,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,172.88 : 788,891.93 = 269,506.95 : x
  2. Step 2: Convert to fraction form
    526,172.88/788,891.93 = 269,506.95/x
  3. Step 3: Cross multiply
    526,172.88x = 788,891.93 × 269,506.95
  4. Step 4: Simplify right side
    526,172.88x = 212,611,857,933.91
  5. Step 5: Solve for x
    x = 212,611,857,933.91/526,172.88
  6. Step 6: Final answer
    x = 404,072.25

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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.