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Finding the Fourth Proportional to 341,636.05, 512,401.53 and 113,935.66

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Solution

The fourth proportional to 341,636.05, 512,401.53 and 113,935.66 is: 170,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,636.05 : 512,401.53 = 113,935.66 : x
  2. Step 2: Convert to fraction form
    341,636.05/512,401.53 = 113,935.66/x
  3. Step 3: Cross multiply
    341,636.05x = 512,401.53 × 113,935.66
  4. Step 4: Simplify right side
    341,636.05x = 58,380,806,505.56
  5. Step 5: Solve for x
    x = 58,380,806,505.56/341,636.05
  6. Step 6: Final answer
    x = 170,885.97

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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.