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Finding the Fourth Proportional to 581,660.20, 871,842.30 and 226,556.20

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Solution

The fourth proportional to 581,660.20, 871,842.30 and 226,556.20 is: 339,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,660.20 : 871,842.30 = 226,556.20 : x
  2. Step 2: Convert to fraction form
    581,660.20/871,842.30 = 226,556.20/x
  3. Step 3: Cross multiply
    581,660.20x = 871,842.30 × 226,556.20
  4. Step 4: Simplify right side
    581,660.20x = 197,521,278,487.26
  5. Step 5: Solve for x
    x = 197,521,278,487.26/581,660.20
  6. Step 6: Final answer
    x = 339,581.90

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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.