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Finding the Fourth Proportional to 332,774.18, 459,322.43 and 196,855.40

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Solution

The fourth proportional to 332,774.18, 459,322.43 and 196,855.40 is: 271,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,774.18 : 459,322.43 = 196,855.40 : x
  2. Step 2: Convert to fraction form
    332,774.18/459,322.43 = 196,855.40/x
  3. Step 3: Cross multiply
    332,774.18x = 459,322.43 × 196,855.40
  4. Step 4: Simplify right side
    332,774.18x = 90,420,100,686.62
  5. Step 5: Solve for x
    x = 90,420,100,686.62/332,774.18
  6. Step 6: Final answer
    x = 271,716.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.