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Finding the Fourth Proportional to 531,114.97, 796,907.96 and 278,335.37

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Solution

The fourth proportional to 531,114.97, 796,907.96 and 278,335.37 is: 417,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,114.97 : 796,907.96 = 278,335.37 : x
  2. Step 2: Convert to fraction form
    531,114.97/796,907.96 = 278,335.37/x
  3. Step 3: Cross multiply
    531,114.97x = 796,907.96 × 278,335.37
  4. Step 4: Simplify right side
    531,114.97x = 221,807,668,613.84
  5. Step 5: Solve for x
    x = 221,807,668,613.84/531,114.97
  6. Step 6: Final answer
    x = 417,626.47

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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.