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Finding the Fourth Proportional to 496,237.38, 744,356.06 and 215,754.63

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Solution

The fourth proportional to 496,237.38, 744,356.06 and 215,754.63 is: 323,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,237.38 : 744,356.06 = 215,754.63 : x
  2. Step 2: Convert to fraction form
    496,237.38/744,356.06 = 215,754.63/x
  3. Step 3: Cross multiply
    496,237.38x = 744,356.06 × 215,754.63
  4. Step 4: Simplify right side
    496,237.38x = 160,598,266,313.56
  5. Step 5: Solve for x
    x = 160,598,266,313.56/496,237.38
  6. Step 6: Final answer
    x = 323,631.94

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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.