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Finding the Fourth Proportional to 534,694.81, 737,878.40 and 292,992.43

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Solution

The fourth proportional to 534,694.81, 737,878.40 and 292,992.43 is: 404,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,694.81 : 737,878.40 = 292,992.43 : x
  2. Step 2: Convert to fraction form
    534,694.81/737,878.40 = 292,992.43/x
  3. Step 3: Cross multiply
    534,694.81x = 737,878.40 × 292,992.43
  4. Step 4: Simplify right side
    534,694.81x = 216,192,780,306.16
  5. Step 5: Solve for x
    x = 216,192,780,306.16/534,694.81
  6. Step 6: Final answer
    x = 404,329.31

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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.