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Finding the Fourth Proportional to 559,687.58, 839,662.59 and 222,748.64

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Solution

The fourth proportional to 559,687.58, 839,662.59 and 222,748.64 is: 334,175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,687.58 : 839,662.59 = 222,748.64 : x
  2. Step 2: Convert to fraction form
    559,687.58/839,662.59 = 222,748.64/x
  3. Step 3: Cross multiply
    559,687.58x = 839,662.59 × 222,748.64
  4. Step 4: Simplify right side
    559,687.58x = 187,033,695,783.07
  5. Step 5: Solve for x
    x = 187,033,695,783.07/559,687.58
  6. Step 6: Final answer
    x = 334,175.18

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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.