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Finding the Fourth Proportional to 496,145.38, 743,279.02 and 293,134.37

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Solution

The fourth proportional to 496,145.38, 743,279.02 and 293,134.37 is: 439,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,145.38 : 743,279.02 = 293,134.37 : x
  2. Step 2: Convert to fraction form
    496,145.38/743,279.02 = 293,134.37/x
  3. Step 3: Cross multiply
    496,145.38x = 743,279.02 × 293,134.37
  4. Step 4: Simplify right side
    496,145.38x = 217,880,625,599.98
  5. Step 5: Solve for x
    x = 217,880,625,599.98/496,145.38
  6. Step 6: Final answer
    x = 439,146.74

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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.