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Finding the Fourth Proportional to 492,777.55, 739,166.33 and 442,913.95

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Solution

The fourth proportional to 492,777.55, 739,166.33 and 442,913.95 is: 664,370.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,777.55 : 739,166.33 = 442,913.95 : x
  2. Step 2: Convert to fraction form
    492,777.55/739,166.33 = 442,913.95/x
  3. Step 3: Cross multiply
    492,777.55x = 739,166.33 × 442,913.95
  4. Step 4: Simplify right side
    492,777.55x = 327,387,078,927.30
  5. Step 5: Solve for x
    x = 327,387,078,927.30/492,777.55
  6. Step 6: Final answer
    x = 664,370.93

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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.