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Finding the Fourth Proportional to 579,735.07, 869,662.19 and 200,655.18

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Solution

The fourth proportional to 579,735.07, 869,662.19 and 200,655.18 is: 301,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,735.07 : 869,662.19 = 200,655.18 : x
  2. Step 2: Convert to fraction form
    579,735.07/869,662.19 = 200,655.18/x
  3. Step 3: Cross multiply
    579,735.07x = 869,662.19 × 200,655.18
  4. Step 4: Simplify right side
    579,735.07x = 174,502,222,270.37
  5. Step 5: Solve for x
    x = 174,502,222,270.37/579,735.07
  6. Step 6: Final answer
    x = 301,003.39

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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.