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Finding the Fourth Proportional to 370,699.56, 511,565.61 and 200,933.68

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Solution

The fourth proportional to 370,699.56, 511,565.61 and 200,933.68 is: 277,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,699.56 : 511,565.61 = 200,933.68 : x
  2. Step 2: Convert to fraction form
    370,699.56/511,565.61 = 200,933.68/x
  3. Step 3: Cross multiply
    370,699.56x = 511,565.61 × 200,933.68
  4. Step 4: Simplify right side
    370,699.56x = 102,790,760,578.75
  5. Step 5: Solve for x
    x = 102,790,760,578.75/370,699.56
  6. Step 6: Final answer
    x = 277,288.60

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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.