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Finding the Fourth Proportional to 536,634.90, 740,520.29 and 294,912.27

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Solution

The fourth proportional to 536,634.90, 740,520.29 and 294,912.27 is: 406,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,634.90 : 740,520.29 = 294,912.27 : x
  2. Step 2: Convert to fraction form
    536,634.90/740,520.29 = 294,912.27/x
  3. Step 3: Cross multiply
    536,634.90x = 740,520.29 × 294,912.27
  4. Step 4: Simplify right side
    536,634.90x = 218,388,520,442.24
  5. Step 5: Solve for x
    x = 218,388,520,442.24/536,634.90
  6. Step 6: Final answer
    x = 406,959.22

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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.