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Finding the Fourth Proportional to 555,853.57, 766,796.23 and 351,560.44

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Solution

The fourth proportional to 555,853.57, 766,796.23 and 351,560.44 is: 484,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,853.57 : 766,796.23 = 351,560.44 : x
  2. Step 2: Convert to fraction form
    555,853.57/766,796.23 = 351,560.44/x
  3. Step 3: Cross multiply
    555,853.57x = 766,796.23 × 351,560.44
  4. Step 4: Simplify right side
    555,853.57x = 269,575,216,105.09
  5. Step 5: Solve for x
    x = 269,575,216,105.09/555,853.57
  6. Step 6: Final answer
    x = 484,975.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.