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Finding the Fourth Proportional to 622,266.80, 932,017.80 and 511,674.80

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Solution

The fourth proportional to 622,266.80, 932,017.80 and 511,674.80 is: 766,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,266.80 : 932,017.80 = 511,674.80 : x
  2. Step 2: Convert to fraction form
    622,266.80/932,017.80 = 511,674.80/x
  3. Step 3: Cross multiply
    622,266.80x = 932,017.80 × 511,674.80
  4. Step 4: Simplify right side
    622,266.80x = 476,890,021,411.44
  5. Step 5: Solve for x
    x = 476,890,021,411.44/622,266.80
  6. Step 6: Final answer
    x = 766,375.49

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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.