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Finding the Fourth Proportional to 737,579.70, 1,103,745.15 and 511,881.30

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Solution

The fourth proportional to 737,579.70, 1,103,745.15 and 511,881.30 is: 766,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,579.70 : 1,103,745.15 = 511,881.30 : x
  2. Step 2: Convert to fraction form
    737,579.70/1,103,745.15 = 511,881.30/x
  3. Step 3: Cross multiply
    737,579.70x = 1,103,745.15 × 511,881.30
  4. Step 4: Simplify right side
    737,579.70x = 564,986,502,250.70
  5. Step 5: Solve for x
    x = 564,986,502,250.70/737,579.70
  6. Step 6: Final answer
    x = 766,000.61

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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.