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Finding the Fourth Proportional to 374,781.75, 517,200.44 and 202,699.76

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Solution

The fourth proportional to 374,781.75, 517,200.44 and 202,699.76 is: 279,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,781.75 : 517,200.44 = 202,699.76 : x
  2. Step 2: Convert to fraction form
    374,781.75/517,200.44 = 202,699.76/x
  3. Step 3: Cross multiply
    374,781.75x = 517,200.44 × 202,699.76
  4. Step 4: Simplify right side
    374,781.75x = 104,836,401,460.39
  5. Step 5: Solve for x
    x = 104,836,401,460.39/374,781.75
  6. Step 6: Final answer
    x = 279,726.54

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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.