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Finding the Fourth Proportional to 411,539.44, 567,732.61 and 266,392.05

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Solution

The fourth proportional to 411,539.44, 567,732.61 and 266,392.05 is: 367,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,539.44 : 567,732.61 = 266,392.05 : x
  2. Step 2: Convert to fraction form
    411,539.44/567,732.61 = 266,392.05/x
  3. Step 3: Cross multiply
    411,539.44x = 567,732.61 × 266,392.05
  4. Step 4: Simplify right side
    411,539.44x = 151,239,453,829.75
  5. Step 5: Solve for x
    x = 151,239,453,829.75/411,539.44
  6. Step 6: Final answer
    x = 367,496.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.