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Finding the Fourth Proportional to 737,590.20, 1,103,760.90 and 511,891.80

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Solution

The fourth proportional to 737,590.20, 1,103,760.90 and 511,891.80 is: 766,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,590.20 : 1,103,760.90 = 511,891.80 : x
  2. Step 2: Convert to fraction form
    737,590.20/1,103,760.90 = 511,891.80/x
  3. Step 3: Cross multiply
    737,590.20x = 1,103,760.90 × 511,891.80
  4. Step 4: Simplify right side
    737,590.20x = 565,006,153,870.62
  5. Step 5: Solve for x
    x = 565,006,153,870.62/737,590.20
  6. Step 6: Final answer
    x = 766,016.35

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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.