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Finding the Fourth Proportional to 304,469.60, 456,771.72 and 91,228.88

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Solution

The fourth proportional to 304,469.60, 456,771.72 and 91,228.88 is: 136,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,469.60 : 456,771.72 = 91,228.88 : x
  2. Step 2: Convert to fraction form
    304,469.60/456,771.72 = 91,228.88/x
  3. Step 3: Cross multiply
    304,469.60x = 456,771.72 × 91,228.88
  4. Step 4: Simplify right side
    304,469.60x = 41,670,772,431.27
  5. Step 5: Solve for x
    x = 41,670,772,431.27/304,469.60
  6. Step 6: Final answer
    x = 136,863.49

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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.