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Finding the Fourth Proportional to 835,930, 1,252,665.88 and 494,021.52

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Solution

The fourth proportional to 835,930, 1,252,665.88 and 494,021.52 is: 740,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,930 : 1,252,665.88 = 494,021.52 : x
  2. Step 2: Convert to fraction form
    835,930/1,252,665.88 = 494,021.52/x
  3. Step 3: Cross multiply
    835,930x = 1,252,665.88 × 494,021.52
  4. Step 4: Simplify right side
    835,930x = 618,843,902,089.74
  5. Step 5: Solve for x
    x = 618,843,902,089.74/835,930
  6. Step 6: Final answer
    x = 740,305.89

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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.