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Finding the Fourth Proportional to 333,760.52, 500,640.77 and 221,659.70

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Solution

The fourth proportional to 333,760.52, 500,640.77 and 221,659.70 is: 332,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,760.52 : 500,640.77 = 221,659.70 : x
  2. Step 2: Convert to fraction form
    333,760.52/500,640.77 = 221,659.70/x
  3. Step 3: Cross multiply
    333,760.52x = 500,640.77 × 221,659.70
  4. Step 4: Simplify right side
    333,760.52x = 110,971,880,936.91
  5. Step 5: Solve for x
    x = 110,971,880,936.91/333,760.52
  6. Step 6: Final answer
    x = 332,489.54

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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.