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Finding the Fourth Proportional to 270,885.49, 373,821.18 and 156,163.59

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Solution

The fourth proportional to 270,885.49, 373,821.18 and 156,163.59 is: 215,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,885.49 : 373,821.18 = 156,163.59 : x
  2. Step 2: Convert to fraction form
    270,885.49/373,821.18 = 156,163.59/x
  3. Step 3: Cross multiply
    270,885.49x = 373,821.18 × 156,163.59
  4. Step 4: Simplify right side
    270,885.49x = 58,377,256,638.38
  5. Step 5: Solve for x
    x = 58,377,256,638.38/270,885.49
  6. Step 6: Final answer
    x = 215,505.29

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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.