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Finding the Fourth Proportional to 574,160.94, 861,241.95 and 274,571.10

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Solution

The fourth proportional to 574,160.94, 861,241.95 and 274,571.10 is: 411,856.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,160.94 : 861,241.95 = 274,571.10 : x
  2. Step 2: Convert to fraction form
    574,160.94/861,241.95 = 274,571.10/x
  3. Step 3: Cross multiply
    574,160.94x = 861,241.95 × 274,571.10
  4. Step 4: Simplify right side
    574,160.94x = 236,472,149,577.65
  5. Step 5: Solve for x
    x = 236,472,149,577.65/574,160.94
  6. Step 6: Final answer
    x = 411,856.91

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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.