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Finding the Fourth Proportional to 335,776.38, 503,839.53 and 148,744.14

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Solution

The fourth proportional to 335,776.38, 503,839.53 and 148,744.14 is: 223,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,776.38 : 503,839.53 = 148,744.14 : x
  2. Step 2: Convert to fraction form
    335,776.38/503,839.53 = 148,744.14/x
  3. Step 3: Cross multiply
    335,776.38x = 503,839.53 × 148,744.14
  4. Step 4: Simplify right side
    335,776.38x = 74,943,177,587.85
  5. Step 5: Solve for x
    x = 74,943,177,587.85/335,776.38
  6. Step 6: Final answer
    x = 223,193.71

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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.