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Finding the Fourth Proportional to 559,797.80, 839,388.54 and 382,505

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Solution

The fourth proportional to 559,797.80, 839,388.54 and 382,505 is: 573,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,797.80 : 839,388.54 = 382,505 : x
  2. Step 2: Convert to fraction form
    559,797.80/839,388.54 = 382,505/x
  3. Step 3: Cross multiply
    559,797.80x = 839,388.54 × 382,505
  4. Step 4: Simplify right side
    559,797.80x = 321,070,313,492.70
  5. Step 5: Solve for x
    x = 321,070,313,492.70/559,797.80
  6. Step 6: Final answer
    x = 573,546.94

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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.