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Finding the Fourth Proportional to 496,442.86, 739,049.07 and 493,490.38

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Solution

The fourth proportional to 496,442.86, 739,049.07 and 493,490.38 is: 734,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,442.86 : 739,049.07 = 493,490.38 : x
  2. Step 2: Convert to fraction form
    496,442.86/739,049.07 = 493,490.38/x
  3. Step 3: Cross multiply
    496,442.86x = 739,049.07 × 493,490.38
  4. Step 4: Simplify right side
    496,442.86x = 364,713,606,392.95
  5. Step 5: Solve for x
    x = 364,713,606,392.95/496,442.86
  6. Step 6: Final answer
    x = 734,653.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.