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Finding the Fourth Proportional to 283,493.04, 391,201.82 and 156,168.63

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Solution

The fourth proportional to 283,493.04, 391,201.82 and 156,168.63 is: 215,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,493.04 : 391,201.82 = 156,168.63 : x
  2. Step 2: Convert to fraction form
    283,493.04/391,201.82 = 156,168.63/x
  3. Step 3: Cross multiply
    283,493.04x = 391,201.82 × 156,168.63
  4. Step 4: Simplify right side
    283,493.04x = 61,093,452,087.70
  5. Step 5: Solve for x
    x = 61,093,452,087.70/283,493.04
  6. Step 6: Final answer
    x = 215,502.48

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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.