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Finding the Fourth Proportional to 546,786.60, 820,143.44 and 262,680.72

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Solution

The fourth proportional to 546,786.60, 820,143.44 and 262,680.72 is: 394,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,786.60 : 820,143.44 = 262,680.72 : x
  2. Step 2: Convert to fraction form
    546,786.60/820,143.44 = 262,680.72/x
  3. Step 3: Cross multiply
    546,786.60x = 820,143.44 × 262,680.72
  4. Step 4: Simplify right side
    546,786.60x = 215,435,869,322.48
  5. Step 5: Solve for x
    x = 215,435,869,322.48/546,786.60
  6. Step 6: Final answer
    x = 394,003.56

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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.