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Finding the Fourth Proportional to 221,567.70, 332,351.55 and 150,708.90

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Solution

The fourth proportional to 221,567.70, 332,351.55 and 150,708.90 is: 226,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,567.70 : 332,351.55 = 150,708.90 : x
  2. Step 2: Convert to fraction form
    221,567.70/332,351.55 = 150,708.90/x
  3. Step 3: Cross multiply
    221,567.70x = 332,351.55 × 150,708.90
  4. Step 4: Simplify right side
    221,567.70x = 50,088,336,513.80
  5. Step 5: Solve for x
    x = 50,088,336,513.80/221,567.70
  6. Step 6: Final answer
    x = 226,063.35

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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.