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Finding the Fourth Proportional to 654,196.40, 981,359.40 and 227,666.60

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Solution

The fourth proportional to 654,196.40, 981,359.40 and 227,666.60 is: 341,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,196.40 : 981,359.40 = 227,666.60 : x
  2. Step 2: Convert to fraction form
    654,196.40/981,359.40 = 227,666.60/x
  3. Step 3: Cross multiply
    654,196.40x = 981,359.40 × 227,666.60
  4. Step 4: Simplify right side
    654,196.40x = 223,422,757,976.04
  5. Step 5: Solve for x
    x = 223,422,757,976.04/654,196.40
  6. Step 6: Final answer
    x = 341,522.45

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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.