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Finding the Fourth Proportional to 492,744.95, 738,158.78 and 323,751.82

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Solution

The fourth proportional to 492,744.95, 738,158.78 and 323,751.82 is: 484,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,744.95 : 738,158.78 = 323,751.82 : x
  2. Step 2: Convert to fraction form
    492,744.95/738,158.78 = 323,751.82/x
  3. Step 3: Cross multiply
    492,744.95x = 738,158.78 × 323,751.82
  4. Step 4: Simplify right side
    492,744.95x = 238,980,248,473.98
  5. Step 5: Solve for x
    x = 238,980,248,473.98/492,744.95
  6. Step 6: Final answer
    x = 484,997.86

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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.