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Finding the Fourth Proportional to 237,003.70, 355,505.55 and 221,451.70

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Solution

The fourth proportional to 237,003.70, 355,505.55 and 221,451.70 is: 332,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,003.70 : 355,505.55 = 221,451.70 : x
  2. Step 2: Convert to fraction form
    237,003.70/355,505.55 = 221,451.70/x
  3. Step 3: Cross multiply
    237,003.70x = 355,505.55 × 221,451.70
  4. Step 4: Simplify right side
    237,003.70x = 78,727,308,406.94
  5. Step 5: Solve for x
    x = 78,727,308,406.94/237,003.70
  6. Step 6: Final answer
    x = 332,177.55

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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.