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Finding the Fourth Proportional to 635,730.53, 877,324.37 and 349,257.83

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Solution

The fourth proportional to 635,730.53, 877,324.37 and 349,257.83 is: 481,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,730.53 : 877,324.37 = 349,257.83 : x
  2. Step 2: Convert to fraction form
    635,730.53/877,324.37 = 349,257.83/x
  3. Step 3: Cross multiply
    635,730.53x = 877,324.37 × 349,257.83
  4. Step 4: Simplify right side
    635,730.53x = 306,412,399,539.41
  5. Step 5: Solve for x
    x = 306,412,399,539.41/635,730.53
  6. Step 6: Final answer
    x = 481,984.72

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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.