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Finding the Fourth Proportional to 622,264.80, 932,014.80 and 511,672.80

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Solution

The fourth proportional to 622,264.80, 932,014.80 and 511,672.80 is: 766,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,264.80 : 932,014.80 = 511,672.80 : x
  2. Step 2: Convert to fraction form
    622,264.80/932,014.80 = 511,672.80/x
  3. Step 3: Cross multiply
    622,264.80x = 932,014.80 × 511,672.80
  4. Step 4: Simplify right side
    622,264.80x = 476,886,622,357.44
  5. Step 5: Solve for x
    x = 476,886,622,357.44/622,264.80
  6. Step 6: Final answer
    x = 766,372.49

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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.