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Finding the Fourth Proportional to 311,446.45, 466,858.63 and 153,788.05

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Solution

The fourth proportional to 311,446.45, 466,858.63 and 153,788.05 is: 230,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,446.45 : 466,858.63 = 153,788.05 : x
  2. Step 2: Convert to fraction form
    311,446.45/466,858.63 = 153,788.05/x
  3. Step 3: Cross multiply
    311,446.45x = 466,858.63 × 153,788.05
  4. Step 4: Simplify right side
    311,446.45x = 71,797,278,333.37
  5. Step 5: Solve for x
    x = 71,797,278,333.37/311,446.45
  6. Step 6: Final answer
    x = 230,528.49

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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.