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Finding the Fourth Proportional to 221,337,614.80, 331,409,225.40 and 221,337,614.80

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Solution

The fourth proportional to 221,337,614.80, 331,409,225.40 and 221,337,614.80 is: 331,409,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337,614.80 : 331,409,225.40 = 221,337,614.80 : x
  2. Step 2: Convert to fraction form
    221,337,614.80/331,409,225.40 = 221,337,614.80/x
  3. Step 3: Cross multiply
    221,337,614.80x = 331,409,225.40 × 221,337,614.80
  4. Step 4: Simplify right side
    221,337,614.80x = 73,353,327,472,751,568
  5. Step 5: Solve for x
    x = 73,353,327,472,751,568/221,337,614.80
  6. Step 6: Final answer
    x = 331,409,225.40

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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.