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Finding the Fourth Proportional to 673,302, 929,176.20 and 371,515.44

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Solution

The fourth proportional to 673,302, 929,176.20 and 371,515.44 is: 512,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,302 : 929,176.20 = 371,515.44 : x
  2. Step 2: Convert to fraction form
    673,302/929,176.20 = 371,515.44/x
  3. Step 3: Cross multiply
    673,302x = 929,176.20 × 371,515.44
  4. Step 4: Simplify right side
    673,302x = 345,203,304,780.53
  5. Step 5: Solve for x
    x = 345,203,304,780.53/673,302
  6. Step 6: Final answer
    x = 512,702.03

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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.