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Finding the Fourth Proportional to 559,794.34, 839,194.31 and 218,158.63

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Solution

The fourth proportional to 559,794.34, 839,194.31 and 218,158.63 is: 327,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,794.34 : 839,194.31 = 218,158.63 : x
  2. Step 2: Convert to fraction form
    559,794.34/839,194.31 = 218,158.63/x
  3. Step 3: Cross multiply
    559,794.34x = 839,194.31 × 218,158.63
  4. Step 4: Simplify right side
    559,794.34x = 183,077,482,914.13
  5. Step 5: Solve for x
    x = 183,077,482,914.13/559,794.34
  6. Step 6: Final answer
    x = 327,044.18

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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.