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Finding the Fourth Proportional to 559,914.93, 839,375.06 and 218,279.61

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Solution

The fourth proportional to 559,914.93, 839,375.06 and 218,279.61 is: 327,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,914.93 : 839,375.06 = 218,279.61 : x
  2. Step 2: Convert to fraction form
    559,914.93/839,375.06 = 218,279.61/x
  3. Step 3: Cross multiply
    559,914.93x = 839,375.06 × 218,279.61
  4. Step 4: Simplify right side
    559,914.93x = 183,218,459,649.13
  5. Step 5: Solve for x
    x = 183,218,459,649.13/559,914.93
  6. Step 6: Final answer
    x = 327,225.53

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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.