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Finding the Fourth Proportional to 536,757.88, 740,764.56 and 321,894.04

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Solution

The fourth proportional to 536,757.88, 740,764.56 and 321,894.04 is: 444,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,757.88 : 740,764.56 = 321,894.04 : x
  2. Step 2: Convert to fraction form
    536,757.88/740,764.56 = 321,894.04/x
  3. Step 3: Cross multiply
    536,757.88x = 740,764.56 × 321,894.04
  4. Step 4: Simplify right side
    536,757.88x = 238,447,696,907.22
  5. Step 5: Solve for x
    x = 238,447,696,907.22/536,757.88
  6. Step 6: Final answer
    x = 444,236.97

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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.