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Finding the Fourth Proportional to 332,761, 459,049.62 and 217,989.58

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Solution

The fourth proportional to 332,761, 459,049.62 and 217,989.58 is: 300,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,761 : 459,049.62 = 217,989.58 : x
  2. Step 2: Convert to fraction form
    332,761/459,049.62 = 217,989.58/x
  3. Step 3: Cross multiply
    332,761x = 459,049.62 × 217,989.58
  4. Step 4: Simplify right side
    332,761x = 100,068,033,862.96
  5. Step 5: Solve for x
    x = 100,068,033,862.96/332,761
  6. Step 6: Final answer
    x = 300,720.44

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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.