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Finding the Fourth Proportional to 266,486.30, 367,755.63 and 159,035.48

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Solution

The fourth proportional to 266,486.30, 367,755.63 and 159,035.48 is: 219,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,486.30 : 367,755.63 = 159,035.48 : x
  2. Step 2: Convert to fraction form
    266,486.30/367,755.63 = 159,035.48/x
  3. Step 3: Cross multiply
    266,486.30x = 367,755.63 × 159,035.48
  4. Step 4: Simplify right side
    266,486.30x = 58,486,193,139.75
  5. Step 5: Solve for x
    x = 58,486,193,139.75/266,486.30
  6. Step 6: Final answer
    x = 219,471.67

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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.