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Finding the Fourth Proportional to 615,416.75, 923,198.84 and 188,896.71

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Solution

The fourth proportional to 615,416.75, 923,198.84 and 188,896.71 is: 283,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,416.75 : 923,198.84 = 188,896.71 : x
  2. Step 2: Convert to fraction form
    615,416.75/923,198.84 = 188,896.71/x
  3. Step 3: Cross multiply
    615,416.75x = 923,198.84 × 188,896.71
  4. Step 4: Simplify right side
    615,416.75x = 174,389,227,308.96
  5. Step 5: Solve for x
    x = 174,389,227,308.96/615,416.75
  6. Step 6: Final answer
    x = 283,367.70

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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.