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Finding the Fourth Proportional to 662,523.79, 994,280.32 and 492,138.95

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Solution

The fourth proportional to 662,523.79, 994,280.32 and 492,138.95 is: 738,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,523.79 : 994,280.32 = 492,138.95 : x
  2. Step 2: Convert to fraction form
    662,523.79/994,280.32 = 492,138.95/x
  3. Step 3: Cross multiply
    662,523.79x = 994,280.32 × 492,138.95
  4. Step 4: Simplify right side
    662,523.79x = 489,324,072,062.79
  5. Step 5: Solve for x
    x = 489,324,072,062.79/662,523.79
  6. Step 6: Final answer
    x = 738,575.85

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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.