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Finding the Fourth Proportional to 271,353.58, 374,123.80 and 193,921.71

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Solution

The fourth proportional to 271,353.58, 374,123.80 and 193,921.71 is: 267,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,353.58 : 374,123.80 = 193,921.71 : x
  2. Step 2: Convert to fraction form
    271,353.58/374,123.80 = 193,921.71/x
  3. Step 3: Cross multiply
    271,353.58x = 374,123.80 × 193,921.71
  4. Step 4: Simplify right side
    271,353.58x = 72,550,727,047.70
  5. Step 5: Solve for x
    x = 72,550,727,047.70/271,353.58
  6. Step 6: Final answer
    x = 267,366.02

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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.