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Finding the Fourth Proportional to 363,612.51, 501,780.51 and 200,265.90

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Solution

The fourth proportional to 363,612.51, 501,780.51 and 200,265.90 is: 276,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,612.51 : 501,780.51 = 200,265.90 : x
  2. Step 2: Convert to fraction form
    363,612.51/501,780.51 = 200,265.90/x
  3. Step 3: Cross multiply
    363,612.51x = 501,780.51 × 200,265.90
  4. Step 4: Simplify right side
    363,612.51x = 100,489,525,437.61
  5. Step 5: Solve for x
    x = 100,489,525,437.61/363,612.51
  6. Step 6: Final answer
    x = 276,364.33

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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.