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Finding the Fourth Proportional to 502,789.48, 693,843.37 and 374,302.01

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Solution

The fourth proportional to 502,789.48, 693,843.37 and 374,302.01 is: 516,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,789.48 : 693,843.37 = 374,302.01 : x
  2. Step 2: Convert to fraction form
    502,789.48/693,843.37 = 374,302.01/x
  3. Step 3: Cross multiply
    502,789.48x = 693,843.37 × 374,302.01
  4. Step 4: Simplify right side
    502,789.48x = 259,706,968,815.03
  5. Step 5: Solve for x
    x = 259,706,968,815.03/502,789.48
  6. Step 6: Final answer
    x = 516,532.23

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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.