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Finding the Fourth Proportional to 534,739.49, 737,940.28 and 296,275.49

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Solution

The fourth proportional to 534,739.49, 737,940.28 and 296,275.49 is: 408,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,739.49 : 737,940.28 = 296,275.49 : x
  2. Step 2: Convert to fraction form
    534,739.49/737,940.28 = 296,275.49/x
  3. Step 3: Cross multiply
    534,739.49x = 737,940.28 × 296,275.49
  4. Step 4: Simplify right side
    534,739.49x = 218,633,618,047.74
  5. Step 5: Solve for x
    x = 218,633,618,047.74/534,739.49
  6. Step 6: Final answer
    x = 408,860.06

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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.