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Finding the Fourth Proportional to 647,166.60, 970,577.10 and 226,398.60

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Solution

The fourth proportional to 647,166.60, 970,577.10 and 226,398.60 is: 339,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,166.60 : 970,577.10 = 226,398.60 : x
  2. Step 2: Convert to fraction form
    647,166.60/970,577.10 = 226,398.60/x
  3. Step 3: Cross multiply
    647,166.60x = 970,577.10 × 226,398.60
  4. Step 4: Simplify right side
    647,166.60x = 219,737,296,632.06
  5. Step 5: Solve for x
    x = 219,737,296,632.06/647,166.60
  6. Step 6: Final answer
    x = 339,537.45

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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.