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Finding the Fourth Proportional to 559,772.93, 839,162.28 and 218,137.22

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Solution

The fourth proportional to 559,772.93, 839,162.28 and 218,137.22 is: 327,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,772.93 : 839,162.28 = 218,137.22 : x
  2. Step 2: Convert to fraction form
    559,772.93/839,162.28 = 218,137.22/x
  3. Step 3: Cross multiply
    559,772.93x = 839,162.28 × 218,137.22
  4. Step 4: Simplify right side
    559,772.93x = 183,052,526,888.06
  5. Step 5: Solve for x
    x = 183,052,526,888.06/559,772.93
  6. Step 6: Final answer
    x = 327,012.11

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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.