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Finding the Fourth Proportional to 580,102.21, 869,263.25 and 242,958.39

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Solution

The fourth proportional to 580,102.21, 869,263.25 and 242,958.39 is: 364,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,102.21 : 869,263.25 = 242,958.39 : x
  2. Step 2: Convert to fraction form
    580,102.21/869,263.25 = 242,958.39/x
  3. Step 3: Cross multiply
    580,102.21x = 869,263.25 × 242,958.39
  4. Step 4: Simplify right side
    580,102.21x = 211,194,795,231.64
  5. Step 5: Solve for x
    x = 211,194,795,231.64/580,102.21
  6. Step 6: Final answer
    x = 364,064.80

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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.