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Finding the Fourth Proportional to 496,208.08, 684,752.52 and 281,367.76

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Solution

The fourth proportional to 496,208.08, 684,752.52 and 281,367.76 is: 388,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,208.08 : 684,752.52 = 281,367.76 : x
  2. Step 2: Convert to fraction form
    496,208.08/684,752.52 = 281,367.76/x
  3. Step 3: Cross multiply
    496,208.08x = 684,752.52 × 281,367.76
  4. Step 4: Simplify right side
    496,208.08x = 192,667,282,706.76
  5. Step 5: Solve for x
    x = 192,667,282,706.76/496,208.08
  6. Step 6: Final answer
    x = 388,279.21

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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.