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Finding the Fourth Proportional to 674,846.44, 931,251.54 and 373,021

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Solution

The fourth proportional to 674,846.44, 931,251.54 and 373,021 is: 514,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,846.44 : 931,251.54 = 373,021 : x
  2. Step 2: Convert to fraction form
    674,846.44/931,251.54 = 373,021/x
  3. Step 3: Cross multiply
    674,846.44x = 931,251.54 × 373,021
  4. Step 4: Simplify right side
    674,846.44x = 347,376,380,702.34
  5. Step 5: Solve for x
    x = 347,376,380,702.34/674,846.44
  6. Step 6: Final answer
    x = 514,748.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.