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Finding the Fourth Proportional to 221,682.40, 332,523.60 and 155,197.60

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Solution

The fourth proportional to 221,682.40, 332,523.60 and 155,197.60 is: 232,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,682.40 : 332,523.60 = 155,197.60 : x
  2. Step 2: Convert to fraction form
    221,682.40/332,523.60 = 155,197.60/x
  3. Step 3: Cross multiply
    221,682.40x = 332,523.60 × 155,197.60
  4. Step 4: Simplify right side
    221,682.40x = 51,606,864,663.36
  5. Step 5: Solve for x
    x = 51,606,864,663.36/221,682.40
  6. Step 6: Final answer
    x = 232,796.40

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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.