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Finding the Fourth Proportional to 496,517.02, 685,243.92 and 292,633.60

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Solution

The fourth proportional to 496,517.02, 685,243.92 and 292,633.60 is: 403,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,517.02 : 685,243.92 = 292,633.60 : x
  2. Step 2: Convert to fraction form
    496,517.02/685,243.92 = 292,633.60/x
  3. Step 3: Cross multiply
    496,517.02x = 685,243.92 × 292,633.60
  4. Step 4: Simplify right side
    496,517.02x = 200,525,395,187.71
  5. Step 5: Solve for x
    x = 200,525,395,187.71/496,517.02
  6. Step 6: Final answer
    x = 403,864.09

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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.