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Finding the Fourth Proportional to 365,839.33, 504,871.79 and 200,278.90

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Solution

The fourth proportional to 365,839.33, 504,871.79 and 200,278.90 is: 276,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,839.33 : 504,871.79 = 200,278.90 : x
  2. Step 2: Convert to fraction form
    365,839.33/504,871.79 = 200,278.90/x
  3. Step 3: Cross multiply
    365,839.33x = 504,871.79 × 200,278.90
  4. Step 4: Simplify right side
    365,839.33x = 101,115,164,478.66
  5. Step 5: Solve for x
    x = 101,115,164,478.66/365,839.33
  6. Step 6: Final answer
    x = 276,392.28

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1.5x scale

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.