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Finding the Fourth Proportional to 559,781.07, 839,803.43 and 222,840.91

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Solution

The fourth proportional to 559,781.07, 839,803.43 and 222,840.91 is: 334,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,781.07 : 839,803.43 = 222,840.91 : x
  2. Step 2: Convert to fraction form
    559,781.07/839,803.43 = 222,840.91/x
  3. Step 3: Cross multiply
    559,781.07x = 839,803.43 × 222,840.91
  4. Step 4: Simplify right side
    559,781.07x = 187,142,560,562.32
  5. Step 5: Solve for x
    x = 187,142,560,562.32/559,781.07
  6. Step 6: Final answer
    x = 334,313.84

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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.