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Finding the Fourth Proportional to 585,733.25, 878,599.89 and 305,797.25

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Solution

The fourth proportional to 585,733.25, 878,599.89 and 305,797.25 is: 458,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,733.25 : 878,599.89 = 305,797.25 : x
  2. Step 2: Convert to fraction form
    585,733.25/878,599.89 = 305,797.25/x
  3. Step 3: Cross multiply
    585,733.25x = 878,599.89 × 305,797.25
  4. Step 4: Simplify right side
    585,733.25x = 268,673,425,819.30
  5. Step 5: Solve for x
    x = 268,673,425,819.30/585,733.25
  6. Step 6: Final answer
    x = 458,695.88

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Similar ratio
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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.