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Finding the Fourth Proportional to 336,653.46, 504,700.74 and 137,067.84

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Solution

The fourth proportional to 336,653.46, 504,700.74 and 137,067.84 is: 205,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,653.46 : 504,700.74 = 137,067.84 : x
  2. Step 2: Convert to fraction form
    336,653.46/504,700.74 = 137,067.84/x
  3. Step 3: Cross multiply
    336,653.46x = 504,700.74 × 137,067.84
  4. Step 4: Simplify right side
    336,653.46x = 69,178,240,278.20
  5. Step 5: Solve for x
    x = 69,178,240,278.20/336,653.46
  6. Step 6: Final answer
    x = 205,487.98

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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.