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Finding the Fourth Proportional to 599,781.80, 899,575.35 and 200,421.93

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Solution

The fourth proportional to 599,781.80, 899,575.35 and 200,421.93 is: 300,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,781.80 : 899,575.35 = 200,421.93 : x
  2. Step 2: Convert to fraction form
    599,781.80/899,575.35 = 200,421.93/x
  3. Step 3: Cross multiply
    599,781.80x = 899,575.35 × 200,421.93
  4. Step 4: Simplify right side
    599,781.80x = 180,294,627,827.43
  5. Step 5: Solve for x
    x = 180,294,627,827.43/599,781.80
  6. Step 6: Final answer
    x = 300,600.36

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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.