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Finding the Fourth Proportional to 622,182.80, 931,891.80 and 511,590.80

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Solution

The fourth proportional to 622,182.80, 931,891.80 and 511,590.80 is: 766,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,182.80 : 931,891.80 = 511,590.80 : x
  2. Step 2: Convert to fraction form
    622,182.80/931,891.80 = 511,590.80/x
  3. Step 3: Cross multiply
    622,182.80x = 931,891.80 × 511,590.80
  4. Step 4: Simplify right side
    622,182.80x = 476,747,271,475.44
  5. Step 5: Solve for x
    x = 476,747,271,475.44/622,182.80
  6. Step 6: Final answer
    x = 766,249.52

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1.5x scale

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.