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Finding the Fourth Proportional to 565,589.90, 780,432.82 and 332,878.46

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Solution

The fourth proportional to 565,589.90, 780,432.82 and 332,878.46 is: 459,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,589.90 : 780,432.82 = 332,878.46 : x
  2. Step 2: Convert to fraction form
    565,589.90/780,432.82 = 332,878.46/x
  3. Step 3: Cross multiply
    565,589.90x = 780,432.82 × 332,878.46
  4. Step 4: Simplify right side
    565,589.90x = 259,789,275,255.06
  5. Step 5: Solve for x
    x = 259,789,275,255.06/565,589.90
  6. Step 6: Final answer
    x = 459,324.46

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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.