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Finding the Fourth Proportional to 573,816.14, 860,408.22 and 236,780.18

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Solution

The fourth proportional to 573,816.14, 860,408.22 and 236,780.18 is: 355,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,816.14 : 860,408.22 = 236,780.18 : x
  2. Step 2: Convert to fraction form
    573,816.14/860,408.22 = 236,780.18/x
  3. Step 3: Cross multiply
    573,816.14x = 860,408.22 × 236,780.18
  4. Step 4: Simplify right side
    573,816.14x = 203,727,613,205.08
  5. Step 5: Solve for x
    x = 203,727,613,205.08/573,816.14
  6. Step 6: Final answer
    x = 355,039.88

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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.