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Finding the Fourth Proportional to 496,246.11, 684,975.74 and 281,528.88

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Solution

The fourth proportional to 496,246.11, 684,975.74 and 281,528.88 is: 388,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,246.11 : 684,975.74 = 281,528.88 : x
  2. Step 2: Convert to fraction form
    496,246.11/684,975.74 = 281,528.88/x
  3. Step 3: Cross multiply
    496,246.11x = 684,975.74 × 281,528.88
  4. Step 4: Simplify right side
    496,246.11x = 192,840,451,501.73
  5. Step 5: Solve for x
    x = 192,840,451,501.73/496,246.11
  6. Step 6: Final answer
    x = 388,598.41

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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.